Answer:
The good option is:
.a. completes one rotation around the center of the Milky Way every 250 million years.
Explanation:
Our system, the Solar System , travels in space in its orbit aroud the center of the Milky Way at a speed of 250 km/hour. It is located on the outer regions of the galaxy. The Sun is distant some 26,000 light-years from the center of the galaxy.
Geographical similarities between U.S. and Canada
two of the largest countrys in the world they are they're friendly neighbor States and share large border of two countries
Explanation:
both countries are Democrats their style of governments are different
Why doesn’t radiometric dating of basalt on the ocean floor provide us with an absolute age for the planet earth?
Answer:
Radiometric dating of basalt on the ocean floor provide us with an absolute age for the planet earth because the oceanic crust is recycled too frequently at subduction zones,
Explanation:
Radiometric dating of basalt on the ocean floor can not provide us the absolute age of the planet earth due to the subduction. In the process of subduction oceanic plate went below the continental plate as it is less denser. It then melts there and its recycling takes place frequently. So the radiometric dating of basalt on oceanic plate can not provide us the true information regarding the age of the earth.
If stars existed but galaxies did not: 1. We would probably still exist anyway. 2. We would not exist because life on Earth depends on the light produced by galaxies. 3. We would not exist because we are made of material that required recycling in galaxies.
Answer:
3. we would not exist because we are made of material that was recycled in galaxies.
Explanation:
If stars are randomly distributed in space, the elements like Hydrogen, Nitrogen, etc that releases when stars are dieing will not be close enough to come together to form a planet and thus lead to the formation of life on Earth.
Although Sioux Falls, South Dakota, and Milwaukee, Wisconsin, are located at nearly the same latitude, Milwaukee's average high temperature for July is four degrees lower than that of Sioux Falls. Which of the following best explains the reason for this difference?a. Milwaukee is located near the Gulf Stream.
b. Sioux Falls is in the path of most midlatitude cyclones.
c. Sioux Falls is located in the rain shadow of the Rocky Mountains.
d. Lake Michigan has a moderating effect on Milwaukee's temperatures.
Answer:D. Lake Michigan has a moderating effect on Milwaukee's temperatures.
Explanation: Milwaukee is the fifth largest city in mid Western United States of America,it is located in the State of Wisconsin.
Lake Michigan has a great Impact on the Temperature of Milwaukee as it helps to drop the Temperature up to about 4degrees.
Milwaukee is located along the shores of lake Michigan, which has helped to calm down Milwaukee's Temperatures.Lake Michigan does this by attracting most of the impact of the sun and releasing water Vapor through evaporation to the Atmosphere,this will in turn help to reduce the climatic Temperature around Milwaukee.
Answer:
D. Lake Michigan has a moderating effect on Milwaukee's temperatures.
Explanation:
I just took the test!
Two stars have the same diameter and are at the same distance from us (but in different parts of the sky.) Star A has a temperature of 4000 K, while star B has a temperature of 8000K. Which of the following statements is true: A. the two stars have the same total energy flux (luminosity) B. star B has twice the energy flux (luminosity) that star A has C. tar B has one half the energy flux (luminosity) that star A has D. star B has 16 times the energy flux (luminosity) that star A has
Answer: D. Star B has 16 times the luminosity of star A
Explanation: This is best explained by the Stefan-Boltzmann law. The Stefan-Boltzmann Law states that the power radiated by an object of area A and temperature T is
P = σ AT^4
Stars A and B have the same diameter which suggests that they have the same area, but star B is hotter than star A in the ratio of 2 to 1, meaning it has a higher temperature and radiates more. But by how much? This is calculated by taking both ratios using the Stefan-Boltzmann law.
P = (σ AT^4 of star B) / (σ AT^4 of star A)
P = (8000^4) / (4000^4) = 16
Option D is correct
Star B, with a temperature twice that of star A, has 16 times the luminosity of star A, according to the Stefan-Boltzmann law in astronomy.
Explanation:This question is about the relationship between the temperature of a star and its total energy flux or luminosity. The luminosity of a star is primarily determined by its size and temperature. Because the two stars have the same diameter and are the same distance from us, the temperature is the only factor that will affect the luminosity. According to the Stefan-Boltzmann law in astronomy, the total energy output of a star is proportional to the fourth power of its temperature. Therefore, if star A has a temperature of 4000 K and star B has a temperature of 8000 K (which is twice as hot as star A), then star B will have
[tex]2^4 = 16[/tex]he luminosity of star A.
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The following images show Earth and the four jovian planets of our solar system. Rank these planets from left to right based on their distance from the Sun, from closest to farthest. (Not to scale.) Earth, Jupiter, Saturn, Uranus, Neptune
Answer:
mercury,venus mars
Explanation:
if the original finches that had been blown over to the Galapagos from South America had already been genetically different from the parental population of South American finches, even before adapting to the galapagos, this would have been an example of?
Answer:
This would have been an example of the founder effect and the genetic drift.
Explanation:
The founder effect would come into effect because in this scenario, the original population would have already been different because a small number of individuals would be establishing this new population and this would have used a less diverse gene pool. Genetic drift would come into play as this small number of finches would constitute a random selection sample from the larger original population and thus the population would have a less varied gene pool to work with in terms of further evolution. This would constitute a change in the frequency of existing genes and genetic drift would take place.
Adaptive radiation refers to the process where a single species evolves into many new species to occupy different ecological niches. In the case of the finches on the Galapagos Islands, if the original finches had genetic differences from their South American parental population before adapting to the Galapagos, this would be an example of pre-existing genetic diversity contributing to adaptive radiation.
What experiments did Tuttle and Bowen perform? a. tests of the temperature and pressure conditions required to melt granite and form magma b. tests of the temperature and pressure conditions required to melt basalt and form magma c. tests of the temperature and pressure conditions required to generate granite from basalt d. tests of the temperature and pressure conditions required to generate basalt from granite
Answer:
Option B
Explanation:
Tuttle and Bowen conducted a study in 1958 after which the study of modern granite started. They also determined whether granite is igneous rock or not. Some of the prominent remarks that were concluded after the experiment by Tuttle and Bowen are
- A) When a silicate is melted at lower temperature, it contain equal proportions of Ab, Q and Or
- B) Felsic rock form at the end of the fractional crystallization of mafic rock
C) Determined the temperature and pressure at which high and low granite crystal melts and what is the impact on melting if Ab, Q and Or are present
Tuttle and Bowen performed experiments involving tests of the temperature and pressure conditions required to generate granite from basalt. Hence, option C is the correct answer.
Tuttle and Bowen conducted research on the process of magmatic differentiation, which refers to the formation of different types of igneous rocks from a common parent magma.
In their experiments, they explored the conditions under which basalt, a common volcanic rock, could be transformed into granite, a type of intrusive igneous rock.
Their work involved subjecting basaltic compositions to specific temperature and pressure conditions in laboratory settings. By manipulating these conditions, they aimed to understand the chemical and physical processes that lead to the crystallization and formation of granite from basaltic magmas.
Hence, option C is the correct answer.
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The Sun is positioned in the constellation of Virgo at the autumnal equinox. If we were able to somehow turn off the Sun, the constellation of Virgo would pass through the zenith for people living on the _______.
Answer:
The answer is the "equator".
Final answer:
At the autumnal equinox, the constellation of Virgo would pass through the zenith for people living on the equator. This occurs due to the Earth's position relative to the Sun, allowing roughly equal day and night lengths worldwide.
Explanation:
The Sun is positioned in the constellation of Virgo at the autumnal equinox. If we were able to somehow turn off the Sun, the constellation of Virgo would pass through the zenith for people living on the equator. This is because at the autumnal equinox, which occurs on or near September 23rd, the Sun is directly overhead at 0 degrees, atop the equator, at noon. The significance of the equinox is that it is a moment when the tilt of the Earth's axis is neither away from nor towards the Sun, resulting in roughly equal day and night - each lasting about 12 hours - for all parts of the world.
Moreover, during the equinox, no matter where you are on the surface of the Earth, the Sun rises due east and sets due west. Therefore, when the autumnal equinox occurs, the equator is the precise location where an observer would see the constellation of Virgo at the zenith if the Sun's light did not obscure it.
Relatively few abyssal plains are located in the Pacific Ocean due to ________. a. the presence of convergent active margins b. the absence of convergent active margins c. the presence of seamounts its location in northern and southern hemispheres d. its smaller size compared to other ocean basins
Answer:
a. the presence of convergent active margins
Explanation:
Some of the abyssal plains also called as underwater plains are found in the Pacific Ocean, as there is the presence of convergent active margins.
When we have to talk about the presence of convergent active margins, primarily we should know about convergent active margins.
Convergent active margins is the point where plates known as oceanic plates meet the plate that is known as the continental plates.
As measured by gross national income per capita at purchasing power parity, the wealthiest of these countries is __________. A. Tanzania B. Kenya C. Uganda D. Botswana E. South Africa
Answer:
The wealthiest of these countries as measured by gross national income per capita at purchasing power parity is: Botswana
Explanation:
Gross national income (Gross national product) is the total of foreign and domestic output attained by residents belonging to the same country. It is the sum of total of gross domestic product and income received by residents who are in foreign minus the income received domestically by the nonresidents who are the residents of another country. Among these, the order of wealthiest to poorer is: Botswana> South Africa> Kenya> Tanzania> Uganda
Final answer:
Botswana is the wealthiest of the countries listed, with a mid-tier per capita GDP of about $6,000-10,000, higher than the others mentioned.
Explanation:
Looking at the information provided, as well as other global economic data, the wealthiest of these countries, measured by gross national income per capita at purchasing power parity (GNI PPP), is Botswana. This is because the given reference categorizes Botswana as a country with a mid-tier per capita GDP of about $6,000-10,000, which is higher than the typical GNI PPP of South Africa. Comparatively, countries like Tanzania, Kenya, and Uganda are generally considered to have lower GNI PPP.
What are three aspects of French culture that are similar to the United States?
Answer:
Consumerism, Bread based staples, part of the 5 eyes security agreement
Explanation:
Answer: what links these two peoples together is Enlightenment and all values associated with it. It has its significant role today as well.
Explanation: For French Englightenment and resulting French revolution is really a turning point of their history (storming of the Bastille, July 14, is national feast in France). For Americans it is the same because American revolution, Proclamation of Independence and American constitutionalism were in fact a product of Enlightenment and especially French Enlightenment. Moreover, it was Enlightenment culture in France that produced something called "engaged intellectual", i.e. politically and socially active intellectual which plays a crucial role in French civilization. The same can be said about American Founding father who can be considered "engaged intellectuals". Of course there are many differences, for ex. French traditional Catholicism.
On the map above, the circled area is called the __________, and the triangle shows the location of the __________. A. Ethiopian Highlands . . . Horn of Africa B. Great Rift Valley . . . Horn of Africa C. Great Rift Valley . . . Ethiopian Highlands D. Horn of Africa . . . Ethiopian Highlands
On the map above, the circled area is called the Horn of Africa, and the triangle shows the location of the Ethiopian Highlands. Hence, option D is appropriate.
What is the meaning of a Map?A map of the world is a representation of all or a portion of the earth's surface that highlights political boundaries, geographical features like mountains and rivers, roadways, and other man-made features like buildings and roads.
A map is a graphic depiction of an entire region or a specific region, usually displayed on a level surface.
There are five different types of maps, according to the ICSM (Intergovernmental Committee for Surveying and Mapping: general reference, topographical, thematic, navigation charts, and cadastral maps and plans).
Jordan Peterson, a clinical psychologist, and professor of psychology from Canada published The Architecture of Belief in 1999. With current scientific knowledge of the way the brain works, the book presents an explanation for how people build meaning. The word "map" originates from the medieval Latin phrase Mappa Mundi, where mappa denoted a cloth or napkin and Mundi denoted the entire world. As a result, the word "map" was shorthand for a two-dimensional rendering of the earth's surface.
Hence, option D is correct.
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On the map above, the circled area is called the Horn of Africa and the triangle shows the location of the Ethiopian Highlands. The Option D.
Geographic Features in East AfricaIn East Africa, the circled area on the map is known as the Ethiopian Highlands, a region characterized by its high plateaus and rugged terrain. These highlands are an essential geographic feature of the area, playing a significant role in the region's climate and biodiversity.
Furthermore, the triangle on the map indicates the location of the Horn of Africa, a distinctive geographical region that extends into the eastern part of the continent. This area is of great importance due to its strategic location along the Red Sea and the Indian Ocean.
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What are the prevailing winds in the region of the North Atlantic Ocean and Gulf of Mexico in which tropical cyclones form?
The prevailing winds in the region where hurricanes form in the North Atlantic are the Northeast Trade Winds, which contribute to their development along with other factors such as water temperature, the Coriolis effect, and wind shear.
Explanation:The prevailing winds in the region of the North Atlantic Ocean and Gulf of Mexico, where tropical cyclones also known as hurricanes, form are the Northeast Trade Winds. These winds are situated between the equator and 30° north latitude and are moderate but persistent throughout the year, contributing to the development and movement of tropical storms and hurricanes. In order for tropical cyclones to develop into hurricanes, they must form between 5-20 degrees north or south of the equator as the Coriolis effect is too weak to cause rotation closer to the equator, and the water is too cold farther away. Additionally, the presence of little to no wind shear and high pressure conditions are necessary for a hurricane to mature in the Atlantic Ocean.
A very rich, very shady international banker (with residences all over the globe, including Bayonne, New Jersey) mysteriously disappears. Someone later mails a wide-angle photo of his body to a London newspaper, taken on June 22, showing the Sun exactly overhead at noon. What can the police deduce from this photograph about where on Earth the body is located?
a. at the equator
b. at the North Pole
c. on the Antarctic circle (670 S)
d. on the Tropic of Cancer (230 N)
e. at the South pole
Answer:
The answer is Option D: The Tropic of Cancer (230 N).
Explanation:
In this example, the date is significant because the sun is directly over the tropic of cancer at noon during the summer solstice. This usually happens around June 21 every year. Therefore being June 22 when the photo was taken, it is likely the body is somewhere around the Tropic of Cancer in terms of latitude. In the Northern Hemisphere, the peak of sunlight during the day usually occurs between June 20-22 of any given year. In contrast, the Southern Hemisphere reaches peak sunlight from December 21-23. Conversely, during the winter solstice, the Northern hemisphere gets the most darkness it will see.
Final answer:
From the photograph indicating the Sun was directly overhead at noon on June 22, the police can deduce that the body is located on the Tropic of Cancer, which is the only latitude where this phenomenon occurs.
Explanation:
The question revolves around determining the location on Earth based on the position of the Sun at noon, specifically where the Sun is exactly overhead on June 22. This scenario demarcates a unique position on Earth's surface - the Tropic of Cancer. On June 22, which is around the time of the summer solstice in the Northern Hemisphere, the Sun stands directly overhead at noon only at the Tropic of Cancer. This is the northernmost latitude (23°N) where the Sun can be directly overhead. Therefore, based on the photograph with the Sun exactly overhead at noon on June 22, the police can deduce that the body is located on the Tropic of Cancer. The options provided include various latitudes, but only the Tropic of Cancer has the Sun directly overhead at noon on that date.
The NEO that is the most current threat to Earth is:
A.2011 AG5, an asteroid that is 460 feet wide.
B. 2012 DA14, an asterold with a 150-foot diameter.
c. Halley's Comet
D. None of these are correct.
Answer:
2012 DA14
Explanation:
Cave swallows make nests out of saliva, which some people harvest to make soup. If too many nests are harvested the swallows will not be able to rear their young and the population will crash. Which concept could help people determine how many nests to harvest?1. The cost of bird’s nest soup
2. International policy
3. Maximum sustainable yield
4. The tragedy of the commons
5. The fundamental niche of the cave swallow
Answer:
The correct answer is "3. Maximum sustainable yield"
Explanation:
Examining all the options,
The cost of bird nest soup cannot help people determine how many nests to harvest. By either increasing or decreasing the price, there is no direct or indirect effect on the peoples' ability to harvest the birds' nests.
International policies are those policies a nation sets up in order to protect their interest in the international field. The issue of nests harvesting might sometimes be a national issue. You cannot set up an international policy that would affect issues that occur nationally(within the auspices of the nation).
Maximum sustainable yield is the largest yield that can be taken out of a certain resource within a period of time. This concept can help people determine the number of nests to harvest because it tells them to stop when a particular number of nests have been harvested within a set time period.
The tragedy of the commons is a situation where shared-resources are over-consumed, spoiled and depleted by those who put their own self interest ahead of the interest of others. It cannot help the people to determine how many nests to harvest because if certain individuals are self-centered and ultimately greedy, they would go the extra mile to achieve their goal without considering the consequence of the birds extinction.
Fundamental niche of the cave swallow are the conditions it requires to survive and reproduce itself. However, there is an absence in the interaction with other species. This means that other species are not taken into account. This concept cannot help people determine how many nests to harvest, rather, realized niche may help.
In which location would you expect to have the most landslides at the END of the given sequence of events? For all areas, assume that each event (drought, wildfire and heavy rain) is identical.
A.Location in the mountains that first experiences a long drought, then experiences wildfires, and then experiences heavy rain
B.Location in the mountains that first experiences wildfires, then experiences heavy rain, and then experiences a long drought
C.Location in the plains that first experiences a long drought, then experiences wildfires, and then experiences heavy rain
D.Location in the plains that first experiences wildfires, then experiences heavy rain, and then experiences a long drought
Answer:Mountainous areas that have been affected by drought (vegetation will be very dry) wild fires and then heavy rain will result in landslides so A is correct.
Answer:
A. Location in the mountains that first experiences a long drought, then experiences wildfires, and then experiences heavy rain
Explanation:
Landslide is referred to as the collapse of a mass of earth or rock from a mountain or cliff and it Is caused by the movement of rock, earth, or debris down a sloped section of land.
Provide that the events (drought, wildfire and heavy rain) can happen in any particular order and they have the same magnitude..the area with most landslide would be (A) because it's very easy after drought (which a prolonged period of abnormally low rainfall, leading to a shortage of water) for wildfire to occur...
The dryness of land and vegetations can lead to wildfire because wildfires easily extends during dry and warm season.
Invariably, this can lead to the destruction and weakness of the land and looseness of the land particle which can be easily washed away by heavy downpour.
A "polar-wander" curve shows
A. how magnetic poles have moved on the earth.
B. how the sea floor has spread.
C. how continents have moved, or drifted, relative to the magnetic poles.
D. how polar glacier ice has moved across continents.
Answer:
The correct answer is A - how magnetic poles have moved on the earth.
Explanation:
The polar wander curve is apparent. It shows the movement of the earth's magnetic poles relative to a particular continent. The correct answer would have been option C, but the continents are regarded as static when the curve is measured.
Final answer:
A "polar-wander" curve demonstrates the historical movement of continents relative to the magnetic poles, rather than the migration of the poles themselves.
Explanation:
A "polar-wander" curve shows that continents have moved, or drifted, relative to the magnetic poles. Paleomagnetic data indicated that rocks showed different historical pole positions, which seemed to suggest that either the poles moved or the continents did. Since the apparent polar wandering paths for different continents varied, it supported the theory that rather than the poles moving, the continents had moved relative to the magnetic poles. When the continents are rearranged to their positions in Pangaea, the polar wandering curves overlap, confirming continental movement over time.
Earth is very old, and it can be difficult to visualize where key events in the history of life occurred against this backdrop of "deep time." One common way to represent geologic time uses the analogy of a one-hour countdown timer. The timer starts from the top at Earth’s origin (4.6 billion years ago) and moves clockwise to the present, making one full circle. In this analogy, one hour represents 4.6 billion years, one minute represents roughly 76.67 million years, and one second represents roughly 1.28 million years. (Open Hint 1 for an explanation of how these calculations are done.)
Answer:
2.3 billion years old
Explanation:
For half an hour, it's 2.3 billion years old
Divergent plate boundaries are where the lithosphere is being rifted apart. What fills in the area of the rift?
Answer:
Magma fills those area forming a new crust eventually.
Explanation:
Divergent plate boundary is where tectonic plates move apart. The divergent boundary occur between oceanic crusts or continental crusts but it is more prevalent in the oceanic crust.
The oceanic crust where most divergent boundary occurs introduce aesthenosphere material to the sea floor causing a formation of new crust.
When plates moves apart, through the oceanic ridges molten magma are released to form a new crust. The magma creeps through cracks and fissures and eventually get exposed to the surface. The rapid cooling of this magma forms mostly extrusive igneous rocks.
Rift are linear area formed as result of tectonic plates moving apart. Rifts are a kind of valley form when their is extensional forces. As the plates rift apart the valley are formed , aesthenosphere materials like molten magma fills in the rift to form a new crust after rapid cooling.
The pictures above show divergent boundaries and how rift are formed in a divergent boundary.
Which of the following geographic characteristics of the United States has had a positive influence on the country’s political status?
A) Access to both the Pacific and Atlantic
B) Oceans Limited number of neighboring countries
C) Regional differences among the population
D) Country’s proximity to the Mexican border
Answer:
A and B
Explanation:
Access to both the pacific and Atlantic
Ocean limited number of neighbouring country
Chinese porcelain was highly valued in Europe for its beauty, style, and durability. However, imported porcelain from China was very expensive. Crafters in Germany and England developed new methods of making porcelain using feldspar and bone rather than the kaolin that was used in China. This new porcelain was viewed as having similar quality to Chinese porcelain, and the new methods continued to be used in Europe. This example describes what type of diffusion?a. Relocation diffusion, because the Chinese brought their porcelain to Europeb. Stimulus diffusion, because the Europeans adapted a Chinese concept to fit their own needsc. Contagious diffusion, because people throughout the world adopted the use of porcelaind. Hierarchical diffusion, because only the wealthy could afford porcelaine. Expansion diffusion, because the porcelain-making process spread from China to Europe
Answer:
The answer is Option B: Stimulus diffusion, because the Europeans adapted a Chinese concept to fit their own needs.
Explanation:
Stimulus diffusion is a type of cultural diffusion. The different types of diffusion explain the variations in how cultural practices are adopted and shared. Diffusion is also an explanation for how trends and cultural practices are spread from place to place. Stimulus diffusion is the kind of diffusion where a practice is adopted in a new location or cultural context, but the process is adapted or changed in order to meet the conditions in the new location or context. It is not just replicating the process used in China to make porcelain, it is adapting it to the materials available locally.
Answer:
Stimulus diffusion occurred as a result of Europeans adopting a Chinese concept to meet their own demands.
Explanation:
Option B is the correct answer.
Cultural diffusion is a sort of stimulus dissemination.
The many types of diffusion explain how cultural practices are acquired and shared in different ways.Diffusion also explains how trends and cultural practices spread from one location to another.Stimulus diffusion occurs when a practice is accepted in a new place or cultural context, but the process is altered or advanced to match the conditions of the new location or environment.It is not simply copying the porcelain-making method employed in China; it is also customizing it to the resources available here.
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The most basic factor causing the distribution of hot and cold temperatures over Earth's surface is ________.
Answer:
Latitude
Explanation:
the amount of solar energy received at the Earth's surface varies by latitude
The most basic factor causing the distribution of hot and cold temperatures over Earth's surface is latitude.
Hence, the correct answer is option b.
Latitude is one of the most basic factors that significantly influences the distribution of hot and cold temperatures over Earth's surface. The Earth is tilted on its axis, which causes variations in the amount of solar energy received at different latitudes. This variation in solar energy is a key driver of temperature patterns across the planet.
The equator, located at 0 degrees latitude, receives more direct sunlight throughout the year due to its perpendicular position to the sun's rays. As a result, areas near the equator tend to experience warmer temperatures, making them generally hot. These regions are known as the tropical or equatorial zones.
As you move away from the equator towards the poles, the angle at which sunlight reaches the Earth's surface becomes more oblique, leading to less concentrated solar energy. Consequently, areas at higher latitudes receive less heat from the sun, resulting in cooler temperatures. Near the poles, the extreme obliquity of sunlight leads to colder temperatures, forming the polar or frigid zones.
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The given question is incomplete. Hence, the complete question is:
The most basic factor causing the distribution of hot and cold temperatures over Earth's surface is ___.
a. topography
b. latitude
c. oceanic circulation
d. the general circulation
e. storms
Some assume our planet’s changing distance from the sun causes the change in the seasons. That’s logical, but not the case for Earth. Instead, Earth has seasons because our planet’s axis of rotation is tilted at an angle of 23.5 degrees relative to our orbital plane – the plane of Earth’s orbit around the sun.The tilt in the axis of the Earth is called its_____________ by scientists.
Answer:
Obliquity
Explanation:
Obliquity is usually defined as a term that is commonly used by the astronomers, and this refers to the axial tilt of the earth.
This obliquity also simply refers to the angle between the earth's rotation axis and the orbital plane of the earth. This value typically ranges between 21.8° and 24.4°. The earth at present is tilted at an angle of approximately 23.5°.
It is because of this tilt, the earth experiences the different seasons at different times, as well as the occurrence of day and night.
Which of the following is a sink?
A. fossil fuels such as coal, oil, and gas
B. a location for carbon dioxide storage
C. the origination point of a gas, such as a volcano
D. the origination point of a gas, such as the atmosphere
Answer:
Sink is Option A: fossil fuels such as coal, oil, and gas.
Explanation:
The given option B, which is a location for carbon dioxide storage is not a sink. Neither is a volcano, Option C, which is made of hot molten rock erupt from Earth's surface or atmosphere, Option D a sink.
Fossils fuels such as coal, oil and gas are sink. Coal forms are formed when dead plants sink to the bottoms of swamps. The organic matter slowly becomes peat which gradually becomes coal, after a lot of pressure is crated on it. The other kinds of fossil fuels, oil and natural gas, are not rocks. They are also formed when tiny creatures get buried deep inside and over years, sediments change organic mater into natural gas (given enough pressure on them).
In Ptolemy’s Earth-centered model for the solar system, Venus’s phase is never full as viewed from Earth because it always lies between Earth and the Sun. In reality, as Galileo first recognized, Venus is __________.
a. full whenever it lies directly between Earth and the Sun.
b. full whenever it is on the opposite side of the Sun from Earth, although we cannot see the full Venus because it is close to the Sun in the sky.
c. never full because Earth's shadow falls on Venus at the time when it would otherwise be full.
d. never full because the sunlit side of Venus never faces directly toward Earth.
Answer:
The correct answer is B - full whenever it is on the opposite side of the Sun from Earth, although we cannot see the full Venus because it is close to the Sun in the sky.
Match the following:1. peninsula2. mainland3. drainage basin4. archipelago1. a land mass surrounded by water on three sides2. the principal land mass of a continent or country (excludes islands and peninsulas)3. all the land drained by a river and the streams that flow into that river4. a group of islands clustered together in a large body of water
Answer:
1. peninsula ==> a land mass surrounded by water on three sides
2. mainland ==> the principal land mass of a continent or country (excludes islands and peninsulas)
3. drainage basin ==> all the land drained by a river and the streams that flow into that river
4. archipelago ==> a group of islands clustered together in a large body of water
A researcher wants to measure attitudes towards gun control by asking people whether they would be worried about traveling to areas where there are known to be a lot of illegal guns. Critics argue that the conceptualization does not really look as though it is related to attitudes about gun control, in other words, that it lacks ____ validity.
Answer:
Construct validity
Explanation:
A researcher wants to measure attitudes towards gun control by asking people whether they would be worried about traveling to areas where there are known to be a lot of illegal guns. Critics argue that the conceptualization does not really look as though it is related to attitudes about gun control, in other words, that it lacks construct validity.
Construct validity is the degree to which a research studies the data or measures it claims to be studying, that is, the degree the measures taken in a study is reflective of the goal or aim of the study. If a researcher takes measures that is not reflective of the aim of his study, that study could be said to lack construct validity.
Final answer:
Critics argue that the researcher's method lacks construct validity because it may not accurately measure attitudes towards gun control but instead measures personal safety concerns. Construct validity ensures the measure aligns with the intended theoretical concept, and reliability is a key component but not solely sufficient for validity.
Explanation:
The critics argue that the researcher's method for measuring attitudes towards gun control, which involves asking about worry related to travel in areas with many illegal guns, lacks construct validity. Construct validity refers to the degree to which a test or instrument measures the concept it's intended to measure. For instance, being concerned about traveling to areas with many illegal guns may reflect personal safety concerns rather than attitudes towards gun control policies. Therefore, the measure might not be truly assessing the conceptual variable of gun control attitudes.
A key aspect of construct validity is also ensuring that the measure is reliable, meaning it consistently produces similar results under the same conditions. Reliability is necessary for validity, but on its own, it is not sufficient. A measure could be reliable without being valid if, for example, it consistently measures something other than the intended construct. To improve construct validity, researchers might use multiple methods to ensure that the measure aligns well with the theoretical construct of interest, such as through correlation with other validated measures or factor analysis.
Which of the following statements about circumpolar stars is true at all latitudes? a. They are the stars close to the north celestial pole. b. They always remain above your horizon. c. They make relatively small circles, traveling clockwise around the north celestial pole. d. Like all other stars, they rise in the east and set in the west. e. You cannot see them from the Southern Hemisphere.
Answer:
B
Explanation:
Circumpolar stars remain above the horizon at all times throughout the year. They do not rise or set, even at times when we cannot see them, they remain in the sky. These stars are visible towards the nearest pole at night throughout the year.
Circumpolar stars always remain visible above the horizon. They are seen as circling one of the celestial poles due to the Earth's rotation. The pattern of these stars differ based on the observer's latitude.
Explanation:The statement about
circumpolar stars
that is true at all latitudes is 'b. They always remain above your horizon.'
Circumpolar stars
are those stars that, due to the observer's latitude, do not set below the horizon and are thus visible at all hours of the night. These stars seem to circle around one of the celestial poles, never rising or setting, but instead continue to circle the sky. This happens because of Earth's rotation on its axis. However, it's essential to note that the specific stars considered circumpolar change depending on the observer's latitude. For example, at the Earth's North or South Poles, all visible stars would be circumpolar.
Learn more about Circumpolar Stars here:https://brainly.com/question/32999366
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