Answer:
Explanation:
When a metamorphic rock exhibits a layered or banded appearance, it is said to exhibit a foliated texture.
In geology, foliation texture is a texture that has layerings in a repititive manner, usually in metamorphic rocks. Each layer vary in thickness. It can be as thin as 0.05cm or more than a meter in thickness.
How do Brasília’s satellite towns differ from the capital city? 1. Brasília’s satellite towns are small, gated communities occupied by extremely wealthy residents. 2. Brasília’s satellite towns are home to major shopping malls, which are prohibited in the capital city. 3. Brasília’s satellite towns are designed to replicate the design of the national capital, just at a smaller scale. 4. Brasília’s satellite towns are dominated by indigenous religions, rather than Roman Catholicism, which dominates the capital city. 5. Brasília’s satellite towns are unplanned, disorganized, and occupied mostly by people who cannot afford to live in the capital city.
Answer:
Option 5 is correct "Brasília’s satellite towns are unplanned, disorganized, and occupied mostly by people who cannot afford to live in the capital city"
Explanation:
Satellite cities was created was created in the out skirts of Brasilia to accommodate the poor migrants because many them that came during the construction of Brasilia did not return home and they could not afford a place in the luxurious pilot plan.
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.
Most of the active volcanoes on Earth are located in a belt known as the _____. A. East African Rift Valley B. circum-Atlantic belt C. Ring of Fire D. Ring of Lava
I'm pretty sure its C. Ring of Fire
Final answer:
Most of the active volcanoes on Earth are located in the Ring of Fire, a region of frequent earthquakes and volcanic eruptions around the Pacific Ocean basin. The Ring of Fire's volcanic activity is due to the subduction of oceanic plates beneath continental and other oceanic plates.
Explanation:
Most of the active volcanoes on Earth are located in a belt known as the Ring of Fire. This region is characterized by frequent earthquakes and volcanic eruptions, wrapping around the Pacific Ocean basin. The concentration of volcanoes along the west coasts of North and South America, as well as just east of Asia and Australia, is primarily due to subduction zones where oceanic plates are descending beneath continental plates and other oceanic plates, generating a significant amount of volcanic activity.
The Ring of Fire is associated with some of the most catastrophic eruptions and natural disasters in recorded history, including the eruption of Indonesia's Mount Tambora in 1815 and Krakatoa in 1883. This geologically active zone owes its existence to the convergent and transform plate boundaries that outline the Pacific Ocean basin, making it a hotbed for tectonic activity such as earthquakes and volcanic eruptions.
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 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.
If the Sun is in front of a constellation of the zodiac (for example, Scorpius), it takes about one ______ to pass through all the zodiac constellations and once again be in front of Scorpius
Answer:
Year.
Explanation:
The apparent path that is followed by the sun to through the sky can be seen by the rotation of the earth on its axis is followed by a epileptic path so as there are 12 zodiac constellations the sun spends 30 days crossing each with a lot of variation and spends most of the time at the vigor and about a week within the boundary of Scorpius.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.
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
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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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.
In hydrogen, the transition from level 2 to level 1 has a rest wavelength of 121.6 nm. Suppose you see this line at a wavelength of 120.5 nm in Star A, at 121.2 nm in Star B, at 121.9 nm in Star C, and at 122.9 nm in Star D. a. Which of these stars are coming toward us? And which ones are moving away?
b. Which star is moving fastest relative to us?
Answer:
Explanation:
Given Data:
rest wavelength = λ₀=121.6nm
Star A wavelength = λa=120.5nm
Star B wavelength = λb=121.2nm
Star C wavelength = λc=121.9nm
Star D wavelength = λd=122.9nm
According to Doppler shift formula,
we have
v/c=(λ-λ₀)/λ₀
As we know c=speed of light=3*10^8m/s⁻¹
a.
Star A: v=(120.5-121.6)(3*10^8)/121.6 = -2.71*10^6m/s(towards)
Star B: v=(121.2-121.6)(3*10^8)/121.6 = -9.87*10^5m/s(towards)
Star C: v=(121.9-121.6)(3*10^8)/121.6 = 7.40*10^5m/s(away)
Star D: v=(122.9-121.6)(3*10^8)/121.6 = 3.21*10^6m/s(away)
b.
Star D is moving fastest relative to us.
Star A & B are coming toward us while Star C & D are moving away from us.
The Star D is the star that is moving fastest relative to us.
Given Data
Rest wavelength = λ₀=121.6nm
Star A wavelength = λa=120.5nm
Star B wavelength = λb=121.2nm
Star C wavelength = λc=121.9nm
Star D wavelength = λd=122.9nm
According to Doppler shift formula, we have v/c=(λ-λ₀)/λ₀
Generally, C= Speed of light = 3*10^8m/s⁻¹
Question A
Star A: v=(120.5-121.6)(3*10^8)/121.6
Star A = -2.71*10^6m/s(towards)
Star B: v=(121.2-121.6)(3*10^8)/121.6
Star B = -9.87*10^5m/s(towards)
Star C: v=(121.9-121.6)(3*10^8)/121.6
Star C= 7.40*10^5m/s(away)
Star D: v=(122.9-121.6)(3*10^8)/121.6
Star D = 3.21*10^6m/s(away)
b. The Star D is the star that is moving fastest relative to us.
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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:
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.
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.
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.
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.
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
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:
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.
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.
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
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.
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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What effect did the movement of glaciers have on the region? 1. caused the formation of fjords 2. created thousands of lakes 3. formed the North Atlantic Current4. left the soil rocky resulted in the eruption of the Askja volcano
Answer:
Option (1)
Explanation:
A fjord is usually defined as a contrasting geological landform, which is typically a U-shaped valley, that is formed due to the movement of the glaciers. It is generally narrow and forms steep-sided cliffs on both the sides and is mostly connected to the seas. They have huge depth, sometimes reaches up to a depth of about 1300 m. The downward flowing glaciers pushes the terminal moraine and allows it to remain underwater at its entrance, resulting in shallow water at the fjord's neck, in comparison to the main body of the fjord that is located behind it.
Thus, the correct answer is option (1).
In what sense are telescopes like time machines?
A. They allow us to see distant objects as they were long in the past.
B. They allow us to see what Earth looked like long ago.
C. They allow us to see distant objects as they will be in the future.
D. They allow us to look at a galaxy and see it as it was at many different times in the past.
Answer:
The correct answer is A - They allow us to see distant objects as they were long in the past.
Explanation:
A telescope is an optical instrument. It helps in magnifying distant objects usually stars and planetary bodies through the use of various lenses and mirrors. A time machine is a hypothetical device that transports an object/matter between different time frames.
When we view objects with a telescope, what we are seeing through the lenses have already occurred, especially when viewing distant objects. This is because of light. Light travels.
For example, if you are looking at the sun directly, you are seeing the sun as it was about 8mins 20secs ago. Now imagine viewing distant objects, you are actually looking at the past.
In detail, explain how the texture of a rock surface affects how fast it physically weathers by water.
Answer:
The harder and smoother the surface of the rock is, the longer it takes to weather. The more soft and grainy the surface is, the faster they erode from weathering.
Side Note:
-Definition of Physical Weathering: it is the process that breaks rocks apart without changing their chemical composition. (americangeosciences.org)
-(The question refers to physical weathering just by water though).
-Lexi
Weathering takes longer on rocks with harder and smoother surfaces. The rate at which they degrade from weathering increases with how soft and granular the surface is.
What is physically weathers?During physical weathering, rocks are broken down into smaller fragments through processes like expansion and contraction, which are mostly caused by temperature fluctuations. There are two different kinds of physical breakdown: thermal fracturing and freeze-thaw weathering. Another effect of pressure release is weathering, which doesn't involve a change in temperature.
Physical weathering, often known as mechanical weathering, is the process through which rocks, minerals, and soils decompose. The primary physical weathering process is abrasion.
Response and defence The appropriate reaction is rock breaking brought on by water freezing and thawing. Rock cracks caused by the freezing and thawing of water. Physical weathering is a process that affects rocks.
Thus, Weathering takes longer on rocks with harder and smoother surfaces
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NASA will soon launch a spaceship that will photograph our Milky Way Galaxy from beyond its halo. Choose the correct explanation why does the statement make sense (or is clearly true) or does not make sense (or is clearly false): NASA will soon launch a spaceship that will photograph our Milky Way Galaxy from beyond its halo.1. The statement makes sense. If NASA can build a spaceship that will travel close the speed of light, it would take reasonable time, such as hundred years, to get into the halo to photograph the disk, and the same time for image to get back to Earth. 2. The statement doesn't make sense. At the speed of the current spaceships, it would take tens of thousands of years to get into the halo of Milky Way, though reasonable time, such as hundred years, is needed for image to get back to Earth. 3. The statement doesn't make sense. Even if NASA could build a spaceship that traveled close to the speed of light, it would take tens of thousands of years to get into the halo and then the same time for image to get back to Earth. 4. The statement doesn't make sense. NASA need to build a spaceship that able to travel close to the speed of light to get into the halo of Milky Way in reasonable time, such as hundred years. it's well beyond the current technology.
Answer:
The correct answer is "3. The statement doesn't make sense. Even if NASA could build a spaceship that traveled close to the speed of light, it would take tens of thousands of years to get into the halo and then the same time for image to get back to Earth."
Given the current technological constraints and the astronomical distances involved, the statement 'NASA will soon launch a spaceship that will photograph our Milky Way Galaxy from beyond its halo' does not seem feasible. While we have made great strides in space exploration, reaching the halo of the Milky Way in a reasonable time frame, even traveling at the speed of light, is currently beyond our capabilities.
Explanation:The statement 'NASA will soon launch a spaceship that will photograph our Milky Way Galaxy from beyond its halo' doesn't seem to make sense based on our current technological capabilities. Even if NASA could build a spaceship that traveled close to the speed of light, it would still take tens of thousands of years to reach the halo of the Milky Way. Firstly, building such a spaceship is currently beyond our reach technologically. Secondly, reaching and getting the image back from the halo, even traveling at light speed, would be far more than a reasonable human time scale due to the astronomical distances involved.
Astronomers today utilize large telescopes both on the ground and in space to study and obtain images and spectra of galaxies. These tools help us to explore the universe almost back to the time it began. Exploration is mostly conducted from a distance due to the massive challenges involved in space travel. Interstellar space travel is slow and prohibitively expensive, and the current fastest spacecraft would take about 80,000 years to reach the nearest star.
Learn more about Interstellar Space Travel here:https://brainly.com/question/30289831
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Which of the following are examples of sustainable development?
1. using water at a rate at which it will be replaced by precipitation or through recycling
2. cutting down trees at a rate that ensures they will be replaced by new growth meeting current needs without reducing the ability to meet future needs
3. using natural resources faster than they can be replaced by man or nature cutting down more trees than can be planted.
Answer:
1 and 2
Explanation:
Sustainable development involves usage of resources at a rate with which it can be replaced and number 1 and 2 are good examples of that.
Answer:
1. using water at a rate at which it will be replaced by precipitation or through recycling
2. cutting down trees at a rate that ensures they will be replaced by new growth meeting current needs without reducing the ability to meet future needs
Explanation:
Why are different stars overhead at 10:00 pm on a given night than two hours later at midnight? Why are different stars overhead at midnight on June 1 than at midnight on December 1?
Answer:
Because the world turns
Explanation:
Ever hour the earth tilts more on it's access. When you spin around the room you don't see the same thing, it's the same with the earth.
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