Answer:ptolemaic model is a geocentric model which position that Earth is the nucleus of the universe.
Explanation:ptolemy in his ptolemaic model was able to prove that the planets ,sun and the stars all revolve around the Earth and also undergo rotational movement around their own orbit.so planets revolve around their orbit and also around the bigger orbit of the earth .this put pay to the age-long controversy about the nature of planetary motion of the earth,sun and other stars,the eclipse and even how day and night evolves.
An incident is geographically dispersed, and it is not feasible for the incident base to support the incident logistical needs. Assuming that you do not want to divide the incident in two separate incidents, what is another option for managing this incident?
Answer:
Establish a second Logistics Section reporting to a Deputy Incident Commander (Logistics).
Explanation:
Establishing a second Logistics Section reporting to a Deputy Incident Commander (Logistics) ensure adequate feasibility support to the incident logistics need.
This ensures that the most pressing needs are met, and that precious resources are used without duplication or waste. This is to establish planning and management functions for responding partners to work in a coordinated and systematic approach.
Trenches a. border continental and island volcanic arcs. b. result from seafloor spreading. c. are found at divergent boundaries. d. may be more than 100 km (62 miles) deep.
Answer: A) border continental and island volcanic arcs
Explanation:
Trenches refers to a type of excavation or depression in the ground that is usually deeper than it is wide, and narrow than its length. Trenches border continental and island volcanic arcs.
Trench is a word used in different professions to depicts different things:
Trenches are as a result of erosion caused by rivers or by geological movement of tectonic plates in GEOLOGY.
Trenches are created to install underground infrastructure or utilities or later to access these installations in CIVIL ENGINEERING.
Trenches can also be dug for MILITARY defensive purposes.
The "trench method" is a term used in ARCHAEOLOGY for searching and excavating ancient ruins or to dig into strata of sedimented material.
___________ rocks form when existing rocks are subjected to high temperatures and pressures that cause changes in mineralogy and texture but do not melt.
Answer:
Metamorphic
Explanation:
That is the definition of metamorphic rocks
Ground-level ozone in most major united states cities results primarily from
Answer: it results primarily from nitrogen dioxide which comes from Combustion and industrial emissions
Explanation: The most important constituent in the production of ozone is nitrogen dioxide. Nitrogen dioxide comes primarily from Combustion of cars and heavy industrial emissions from factories and industries. It can also come from natural sources which includes wildfires.
Answer: Ground-level ozone in most major United States cities results primarily from motor vehicle exhausts.
Explanation:
Ozone is composed of three oxygen atoms. It is a pale blue gas.There are two types:
1)Stratospheric ozone:(naturally occurring) also famously known as ozone layer,that forms high in the atmosphere.This is considered as a 'good ozone' as it protects earth from harmful sun's ultraviolet radiation.
2)Ground-level ozone: forms just above the earth's surface.This is considered dangerous and harmful for both humans and ecosystem health. It is formed when nitrogen oxides photochemically react with volatile organic compouds. Nitrogen dioxide, the most significant component in the creation of ozone, comes fundamentally from motor vehicles and industrial emissions.
Which of the following statements represent data rather than interpretation? Which of the following statements represent data rather than interpretation? Yellowstone N.P. has an area of low topography nearby caused by hotter than average mantle below the crust. There is an area of low topography southwest of Yellowstone Volcanic features in Yellowstone N.P. are related to the process that produced the low topography to its west. The low topography to the west of Yellowstone N.P. formed when North America moved over a hot spot. Yellowstone N.P. is a supervolcano.
Answer: There is an area of low topography southwest of Yellowstone
Explanation: data refers to information gathered in other to solve or interpret or generate insight on a particular study.
Interpretation refers to explanation of fact derived from data. Stating how and why a particular conclusion was made.
The statement, 'there is an area of low topography southwest of yellowstone' represents a data which can be adopted in the process of interpretation as it doesn't explain why, how or the significance of the low topography southwest of Yellowstone.
Other statements in the option explained the cause and formation of the yellowstone and the volcanic features at the yellowstone N. P
The statements representing data about Yellowstone National Park are those that provide factual descriptions without explaining causes or reasons. This includes their statements about low topography, supervolcano status, and the hotter than average mantle. Distinguishing between data and interpretation is crucial for understanding the difference between raw facts and our explanations of these facts.
Explanation:The statements that represent data rather than interpretation are: 'Yellowstone N.P. has an area of low topography nearby caused by hotter than average mantle below the crust.', 'There is an area of low topography southwest of Yellowstone', and 'Yellowstone N.P. is a supervolcano.'
These statements are observational facts giving a description of Yellowstone National Park (N.P.) and its features. They don't interpret or try to explain the reasons or causes behind these observations. On the other hand, the statements like 'Volcanic features in Yellowstone N.P. are related to the process that produced the low topography to its west.' and 'The low topography to the west of Yellowstone N.P. formed when North America moved over a hot spot.' are interpretations, as they are trying to find explanation or reasons behind some phenomena or facts.
Understanding the difference between these two is important as data gives you the raw, unbiased facts while interpretation tries to make sense of these facts based on our existing knowledge and understanding of the world.
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Morphological and genetic comparisons group 30 species of snapping shrimp (genus Alpheus) into 15 pairs of closely related species. What is the best explanation for the fact that one member of each pair lives on the Atlantic side of the Isthmus of Panama, whereas the other member of each pair lives on the Pacific side
Answer:
species rose by allopatric speciation when Isthmus of Panama separated the ancestral species.
Explanation:
The causes of the morphological and the genetic comparison of the groups of 30 species can be explained by the part of the species that have an allopatric specialization. Suggest the mode of the specialization that occurs when the biological population of the same species becomes isolated with each other This prevents the interference of the gene flow. The isthmus of the Panama is a narrow strip of the lands and contains the countries of the Panama and was formed about 2.8 million years ago.Starfish, with anywhere from five to eight arms, have a strong regenerative ability, and if one arm is lost it quickly replaces it, sometimes by the animal overcompensating and growing an extra one or two. True or false?
Answer:
True
Explanation:
some species of starfish have the ability to regenerate lost arms and can regrow an entire new limb given time
You observe a plane approaching overhead and assume that its speed is 500 miles per hour. The angle of elevation of the plane is 15° at one time and 56° one minute later. Approximate the altitude of the plane. (Round your answer to two decimal places.)
Answer:
The altitude of the plane is 2.7244 miles
Explanation:
Consider the sketch shown below.
XY = distance traveled by the airplane after 1 minute
recall distance = speed × time
XY = 500 ×[tex]\frac{1}{60}[/tex] =8.33 miles
From trigonometry laws,
cot 15 = [tex]\frac{AX}{AB}[/tex]
cot 56 = [tex]\frac{AY}{AB}[/tex]
cross multiplying,
AX = AB cot 15
AY = AB cot 56
AX - AY = AB cot 15 - AB cot 56
Recall that AX - AY = XY
Hence,
XY = AB (cot 15 - cot 56)
XY = AB (3.73205 - 0.67451)
XY = 3.05754 AB
AB = [tex]\frac{XY}{3.05754}[/tex] = [tex]\frac{8.33}{3.05754}[/tex] = 2.7244 miles
∴ The altitude of the plane is 2.7244 miles
Which of the following do fossils represent and what do they tell us?
a. extant species that tell the story of human origins
b. extinct organisms that provide a record of the history of life on the planet
c. plants that provide proof of catastrophism
d. organisms that demonstrate the age of the Earth through the process of uniformitarianism
Answer:
b. extinct organisms that provide a record of the history of life on the planet
Explanation:
Fossil are preserved remains or traces of organism that once existed in the past geologic period. These organisms might leave remains of their hard parts like tooth or bones. Discovering these bones or tooth gives more information on the history of past life on the planet earth. Impression left by soft parts like the leaf vein can also be use to provide history of life on earth.
Most fossils are usually remains of extinct organisms, that is organism that once lived in the earth. Organism activities such as burrowing made by small organism can serve as a fossil record too. Studying these traces provide more information of life on earth.
For Fossilization to occur it requires some criteria or condition for it to occur. These includes rapid and permanent burial to avoid loss of the body parts, Lack of oxygen to prevent rapid decay of the organism part and the absence of heat to limit destruction of the body parts.
Answer:erwt
Explanation:terwewtr
A Sense of Proportion: Earth orbits 1 AU from the Sun, and the Oort Cloud extends from about 10,000 to 100,000 AU from the Sun. If you represent Earth's orbit around the Sun with a paper plate 4 inches in radius, how far away will the inner edge of the Oort Cloud be? How far away will the outer edge of the Oort Cloud be? Express your answers in miles.
Answer:
3.2 miles
Explanation:
If the Astronomical units is about 1 A.U which is = 1/2 plate then the diameter = 2 inches will be of 10,000 AU 2 X 10,000 = 20,000 inches. Thus the 20,000 A.U / 12 = 1,666 feet 1,666 / 5280 = /3 of a mile then the 10,000 AU 2 X 100,000 = 200,000 inches. 20,000 / 12 = 16,666 feet 16,666 / 5280 = 3.2 milesIn the heliocentric model, ________. a. Earth orbits around the Sun c. Earth is a stationary planet b. the Sun orbits around Earth d. all planets orbit Earth
Answer:
A - Earth orbits around the Sun
Explanation:
Heliocentric means sun at center
Scientists have been able to prove that Earth's core is solid in its central portion and molten in the outer portion by studying how the core deflects ____ waves created in Earth's magnetic axis (the line between the north and south magnetic poles) and its rotation axis.
Answer:
it is D hope that was write :D
Explanation:
What are common tectonic settings associated with volcanic activity?
Answer: Mantle plumes, Continental rifts, island arcs, and Continental arcs
Explanation:
Mantle plume is the mechanism of convecting abnormally hot rocks within the Earth's mantle. The plume head partly melts on reaching shallow depths, the plume is often invoked as the cause of volcanic hotspots.
Continental rift refers to the belt of the continental lithosphere where the extensional deformation (rifting) is taking place. Continental rift zones have important consequences and geological features, and if the rifting is successful, leads to the formation of new ocean basins.
Island arcs are long chains of active volcanoes with intense seismic activity found along convergent tectonic plate boundaries. Most island arcs originate on oceanic crust and have resulted from the descent of the lithosphere into the mantle along the subduction zone. They are the principal way by which continental growth is achieved.
Continental arc is a type of volcanic arc occurring as an "arc-shape" topographic high region along a continental margin. The continental arc is formed where two tectonic plates meet, and where one plate has continental crust and the other plate has an oceanic crust along the line of plate convergence, and a subduction zone develops.
Which dating method provides dates between 40,000 and 100,000-300,000 years ago, and enables us to determine the date when ancient pottery fragments were last fired, or when burnt-flint artifacts last were heated? Group of answer choices radiocarbon dating electron-spin resonance dendrochronology thermoluminescence
Answer:
201
Explanation:
When an earthquake occurs, energy radiates in all directions from its source. The source is also referred to as the ________. Group of answer choices epicenter
Answer:
C. FOCUS
Explanation:
Focus is the point where the rock starts to fracture. It is referred to as the origin of the the earthquake. Also, known as the hypocenter, vibrating energy from the hypocenter travels in all directions. It's the point where rupture starts.
Epicenter is usually misinterpreted as the focus, but epicenter is actually the point on land that is directly above the focus. It isn't the starting point, but it's the point on the land that's above the starting point.
Located in the vast Atlantic Ocean, about seven miles off the coast of Venezuela, is a small but fertile island that had retained from the period of its first discovery the name of Trinidad, and though picturesque, has rarely been visited by Europeans until the sixteenth century.
A. is a small but fertile island that had retained from the period of its first discovery the name of Trinidad, and though picturesque, has rarely been
B. was the small but fertile island of Trinidad, which retained its name from the period when it had first been discovered, and though picturesque, it had rarely been
C. Trinidad is a small but fertile island that retains its name from the period of its first discovery, and though picturesque, has rarely been
D. is a small but fertile island, which has retained from the period of its first discovery the name of Trinidad, and though picturesque, had rarely been
E. the small but fertile island of Trinidad, retaining its name from the period of its first discovery, though picturesque, rarely
Answer:
D). Is a small but fertile island, which has retained from the period of its first discovery the name of Trinidad, and though picturesque, had rarely been
Explanation:
As per the question, option D correctly revises the underlined phrase 'is a small....been' as it follows the grammatical and syntactical structure adequately. The use of tenses is apt according to the context of the statement. The other options are incorrect as they are either grammatically or semantically wrong. The options A and C are incorrect as the use of 'past tense('had retained' in the first clause) deviates the meaning while option B involves an inappropriate sequence of tenses and option E contains a modifying error. Therefore, option D is the correct answer.
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Till, Moraine and kettle are examples of a. glacial erosion c. glacial deposition b. types of glaciers d. valley glaciers Please select the best answer from the choices provided A
Answer:
Till, Moraine and kettle are example of glacial deposition.
Explanation:
Glacial deposition means the settling of sediments by the action of glacier.
For example,the formation of a new island takes place by glacier action that deposit sediment.
During this process,they take away debris,sand,soil,rock and other particles which get stuck with in ice that mainly travel through glaciers.
Moraine is formed by unconsolidated glacier debris which is formed on the earth through geomorphological process.
Till is formed by the mixture of sediment deposition which is mainly carried out by glacier.
Answer:
C) glacial deposition
Explanation:
What would happen to Earth's temperature if the energy absorbed from the sun (solar radiation) was less than the emitted (thermal) energy leaving the Earth? (2)
Answer:
The earths temperature will decrease
Explanation:
The earth absorbs about 45% of solar radiation, 29% are emitted back to space. This process of solar radiation being absorbed and distributed to the components of the earth and the reflection of excess energy back to space is known as the earth's energy budget and this process is necessary to keep the temperature of the earth relatively stable.
If the energy absorbed by the earth is less than the energy leaving the earth, the earths temperature will decrease. This means that there is less energy coming in compared to the energy lost to space.
If less solar energy is absorbed compared to the thermal energy emitted from the Earth, the Earth's temperature would decrease. This cooling would occur due to an imbalance in the energy equilibrium that presently exists, which is regulated by factors like cloud cover and the greenhouse effect.
Explanation:If the energy absorbed from the sun (solar radiation) was less than the energy leaving the Earth (thermal radiation), the Earth's temperature would decrease. This is due to the principle of energy balance. The Earth's relatively constant temperature is the result of an equilibrium between the incoming solar radiation and the energy radiated from the Earth.
A great deal of this balance is intermediate by Earth's varied characteristics such as cloud cover and the greenhouse effect. Greater temperatures can cause more water to evaporate, forming more clouds which reflect more radiation back into space, hence lowering the temperature. Furthermore, the greenhouse effect attributes to this energy balance by absorbing the vast majority of the infrared radiation emitted from the Earth. Key gasses, such as carbon dioxide (CO₂) and water (H₂O) in the atmosphere, re-radiate this absorbed energy either back to Earth or into outer space. The re-radiation back to Earth helps maintain its surface temperature.
It is important to note that these processes allow the Earth to maintain suitable temperatures for life. Therefore, if less solar radiation is absorbed compared to the thermal radiation emitted, the unbalanced energy would cause the average global temperatures to fall, leading to a cooler climate on Earth.
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What is the difference between the lithosphere and asthenosphere? At what depth does the lithosphere- asthenosphere boundary occur? Is this above or below the Moho? Is the asthenosphere entirely liquid?
Answer:
The difference between the lithosphere and asthenosphere? At what depth does the lithosphere- asthenosphere boundary occur? Is this above or below the Moho? Is the asthenosphere entirely liquid? It lies below the lithosphere, at depths between approximately 80 and 200 km (50 and 120 miles) below the surface. The lithosphere–asthenosphere boundary is usually referred to as LAB. The asthenosphere is almost solid, although some of its regions could be molten
Explanation:
Both the lithosphere and asthenosphere are part of Earth and are made of similar material. Lithosphere is made up of Earth's outermost layer, the crust, and the uppermost portion of the mantle. In comparison, the asthenosphere is the upper portion of Earth's mantle;The lithosphere is everything above the part of the mantle which can flow and the asthenosphere is everything including and below. the lithosphere-asthenosphere boundary occurs at 1280 C approximately at 150 km.
Explanation:
Difference Between the lithosphere and asthenosphere:
Lithosphere is a solid outermost shell of the earth planet and composed of three layers o crust, mantle and core. The viscous and ductile region that lies under the lithosphere is called asthenosphere. So the difference between both of these layers is
" Lithosphere is a solid layer as it composed of rigid materials and the temperature is relatively cool then that of asthenosphere. Asthenosphere composed of viscous melted material and this region has high temperature and pressure."
Depth of lithosphere & asthenosphere boundaries:
The boundary of lithosphere and asthenosphere lies at the depth of about 100 to 150 km.
Above or below the Moho:
Moho lies at the depth of about 35 Km so the boundary of lithosphere and asthenosphere lies below the Moho.
Is the asthenosphere entirely liquid :
Although asthenosphere has a flowing ability but we can not say that its a liquid. Asthenosphere is composed of melted rocks so it lies in the category of solid. Its a viscous melted material. Its not entirely a liquid.
What is the most likely reason why fewer young people are becoming farmers?
A.
Fewer people are finding farming to be a very interesting profession.
B.
There are fewer opportunities to get advanced education in agricultural sciences.
C.
Most farmers' income is significantly less than the national average.
D.
Most young people cannot raise the money needed to get started in the profession.
Answer:
C and probably D
Explanation:
It should be understood that though farming is still a lucrative and important activity, small farms no longer have great roles in agriculture, and there are other ways to provide one's family with food and money.
The main thing that can be regarded as an important reason why fewer young people are becoming farmers can be linked or related to globalization, industrialization and urbanization.
In this present time, there are many opportunities for young people to study and perform very lucrative activities in big urban centers. This is because in large cities we can find schools and universities, as well as numerous companies who offer an immense amount of job opportunities with great wages, that demand less physical effort than farming, which is far more attractive to younger people.
Answer:
The correct answer is D on edge.
Explanation:
Which of the following is defined as a group of countries committed to removing all barriers to the free flow of goods and services between each other, but pursuing independent external trade policies
Answer:
(FTA) Free trade areas
Explanation:
A free trade areas are those areas or regions that are designed as trade blocs and have signed as a trade and such agreements involves the cooperation between at least two countries to reduce the trade barriers and the imports quotas and the tariffs.An increase the trade and free flow of the services between the member nations and also considered to be an open borderland and are related to the trading agreements and maintain an identical external tariff.What geological feature can be created by a transform boundary
Answer:
Mid ocean ridges and subduction zones :)
Explanation:
Identify the statement that is true about the abyssal plains. a. The abyssal plains of the eastern Atlantic Ocean stretch from the continental shelf to the base of the mid-ocean ridge. b. They are underlain by warm, young oceanic lithosphere. c. They are covered by microscopic plankton shells and fine flakes of clay. d. They are dissected by submarine canyons.
Answer:
The abyssal plains of the eastern Atlantic Ocean stretch from the continental shelf to the base of the mid-ocean ridge.
Explanation:
The others are false
WILL MARK BRAINLIEST!! due today!!! asap!!
write in your own words please!!
1. Name one mammal that lives in Antarctica
2. Describe special physical characteristics that help it survive in the cold climate
Explanation:
1.blue whale
2.Because whales are warm-blooded mammals one of the factors that help keep their body warm is by increasing their metabolic rate which helps burn calories and transfer heat through their blood and to vital organs and muscles.
Whales are also able to keep warm due to the thick layer of insulated blubber that surrounds their body. Depending on the species the thickness of the blubber can range anywhere from 2 inches to over a 1 ft thick!
In the tropics, the absorbed solar energy is greater than the emitted thermal radiation lost to space. The reverse is true at the poles. What stops the tropics getting hotter and hotter and the poles getting colder and colder?
Answer:
Cyclones and ocean currents transport heat towards the poles
Explanation:
The reason why the tropics is not getting hotter and the poles not getting colder is due to the activities of cyclones and ocean currents which transport heats towards the poles thus enabling the temperatures at the tropics and the poles to remain fairly constant.
Identify the true statement. Choose one: A. Charles Lyell correctly explained how fossils form, and he formulated some of the basic principles of relative dating. B. Archbishop James Ussher introduced the principle of uniformitarianism. C. Henri Becquerel discovered principles of radioactivity, which led to the determination of the Earth's age. D. James Hutton, the father of geology, added up generations of patriarchs in the Bible and concluded that the birth date of the Earth was October 23, 4004 B.C.E.
Among the provided statements, the true one is that Henri Becquerel discovered the principles of radioactivity, which eventually lead to the ability to determine the Earth's age.
Explanation:The correct answer is: C.
A brief explanation for the choices: A. While Charles Lyell did play an important role in geology, his insights pertained more to the long time scales involved in geological processes, not specifically how fossils form or principles of relative dating. B. Archbishop James Ussher did not introduce the principle of uniformitarianism, this was done by James Hutton, a Scottish geologist often referred to as the 'Father of Modern Geology'. D. James Hutton is incorrectly attributed in this choice; it was Archbishop Ussher, not Hutton, who did the biblical calculation of Earth’s age.
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The correct order of stages in the primary succession of a volcanic island environment is illustrated by
Answer:
B) volcanic rock-lichen-mosses-sea grasses
Explanation:
The volcanoes tend to cluster along the long and the narrow belts were folding and faulting takes place and the rock provides a channel ways to the surface for the escape of the magma. Is typically an island arc and environmental volcanic lie along an arcuate, crustal ridge and is bounded by a deep oceanic trench. Example os of the Hawaii islands and the accession islands.Answer:
volcanic rock-lichen-mosses-sea grasses is the correct answer of this question.
Explanation:
The right sequence of levels in the predominant succession of a community of volcanic islands represented by grasses from the rock-lichen-mosses-sea volcano.The volcano is a breach in the Earth's crust that enables molten rock to enter the atmosphere from underneath the crust.Volcanoes shape at the edges of continental plates on Earth.Volcanic archipelago are created by volcanism on the seafloor, often close to the borders of crustal plains forming the crust of both the Earth.
Sympatric speciation is: _____. 1. initiated by the appearance of a geographic barrier 2. the process by which most animal species have evolved especially 3. important in the evolution of island species 4. the appearance of a new species in the same area
Answer:
4. the appearance of a new species in the same area
Explanation:
A sympathetic specialization is the evolution of the new species from the survival ancestral species in the same geographical region and the terms represent the organisms whose ranges overlap and the occurs at least in some places and is also states the evolution of the biological species caused by the geographical isolation.Final answer:
Sympatric speciation is the appearance of a new species in the same area without the occurrence of geographic isolation, often through mutations that cause reproductive barriers. It is significant in evolutionary biology, although some scientists question its extent, but there exists strong evidence for its occurrence, especially in plants.
Explanation:
Sympatric speciation is the process by which a new species evolves in the same geographic location as its ancestor without geographical barriers. This speciation occurs when a population develops new genetic characteristics often due to mutations, leading to reproductive barriers between the new group and the original population. Such mechanisms can often be observed in plants due to more frequent chromosomal duplications.
While some evolutionary biologists question the prevalence of sympatric speciation, others point to compelling evidence supporting this type of evolution. An example of sympatric speciation is when a mutation arises in a subset of a population that prevents them from successfully reproducing with others who do not carry it, eventually leading to the emergence of a distinct species.
Are the current shorelines of South America and Africa accurate representations of those continents when they were rifted apart? What factors other than rifting and seafloor spreading could have modified the shape of the current shorelines?
Answer:
Yes, they were believed to be modified by the formation of the rift valleys and volcanoes activity.
Explanation:
The theory given by the Alfred Wegener provided evidence of the drifting of the continents and the formation of the current shoreline with the respect to the breakup of the super landmass and thus the shorelines of Africa and those of South America are an accurate representation of the breakup and the drift The several factors are accountable for the nature of the coastline that has modified the shape and the size of the continent includes the formation of the rift valleys and the geologic and the tectonic processes and the presence of the faults and the folds in the history of the earth crust.According to the theoretical model on the origins of slavery in America, the contact situation- the conditions under which groups first come together- is the single most significant factor in the creation of a minority group status.
Answer:
is the single most significant factor in the creation of a minority group status.
Explanation:
According to the theoretical model of the origins of slavery in America, the English colonies arrived n the point comfort Virginia near the Jamestown that had seized them form the Portuguese ship and the enslaved person was treated property and illegal sold in the market and created a minority group status.