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Andrej [43]
3 years ago
11

How are plate tectonics used as a working model to help explain features and processes on Earth? Furthermore, what is the eviden

ce that supports plate tectonics? Additionally, I know Earth has tectonics but are there any other planets that show signs of tectonics? Are they even capable? Furthermore, how many world oceans do we know of in orbit around our star?
Geography
1 answer:
Anika [276]3 years ago
8 0

Answer:

Explained as below

Explanation:

  • Alfred Wegener was the first to highlight the theory of plate tectonics in world, and later on gave various evidence for the formation of plates that the shaped the earth landmass, the evidence he gave seemed to be quiet in accordance with his field of study called as the law of Uniformitarianism as the processes that operate today have been active in the past with varying intensities.  
  • Evidence in the form of Gig zaw fit of two continent i.e the African coast with that of the South American coast that perfectly matches and which he believes to be part of the same Gondwanaland and northern part was Pangaea supercontinent.
  • Furthermore, the evidence of glossopteris flora where tends to found along with the lands bordering the two landmasses and faunal evidence of Lemure that tended to run westward are deposited in seabeds as evidence to the separation of to continents.  
  • Another evidence of the similar type of glacial tracts found in various continents of the world has seen to emerge as a result of the carbon dating of rocks of that time.
  • The plate tectonic theory only applies to the rocky planets which have landmass to that of the earth i.e the terrestrial planets and not to the gaseous giants that are composed of the metallic core and high density of helium and hydrogen gases.
  • Currently, earth and few planets are considered to have water or liquid components and these too in icy forms like Saturn have rings of ice, ice on craters of the moon, etc.
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3 years ago
Which phrase describes theWhich statement best compares a trace fossil to a fossil that forms as a result of an entire organism
sergeinik [125]

The phrase that compares a trace fossil to a fossil that forms as a result of an entire organism being trapped in amber is D. Both can possibly be used to study the organism's size. relative age of a rock.

<h3>What is a fossil?</h3>

A fossil is a remnant, impression, or trace of an animal or plant of a past geologic age that has been preserved in Earth's crust.

In this case, the phrase that compares a trace fossil to a fossil that forms as a result of an entire organism being trapped in amber is that both can possibly be used to study the organism's size. relative age of a rock.

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2 years ago
Which property is used to identify the origin of an igneous rock
Murrr4er [49]

Igneous rock derives it's name from the Latin word ignis which means fire. It is formed when the magma after volcanic eruption gets cool and solidified either on the surface of earth crust or inside the earth crust. These rocks are characterized by their hardness. These rocks undergoes no chemical weathering but exhibit very low mechanical or physical weathering may occur. Therefore, hardness is the property which can be used to identify the origin of an igneous rock.
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2 years ago
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s344n2d4d5 [400]

Answer:

There is a higher concentration of people who live in the northern hemisphere than the southern hemisphere.

Explanation:

A is not correct because the equatorial region is not densely populated, but it is actually sparsely populated.

B is not correct because the southern hemisphere doesn't have a higher concetration of people than the northern hemisphere.

C is not correct because if that was the case the population density would have been the highest either on the Equator or the poles, and that is not the case at all.

D is not correct because the population density is related to the concept of agricultural production.

E is correct because the northern hemisphere has a higher concentration of population than the southern hemisphere, and this is largely due to the fact that there is much more land on the northern hemisphere, thus a much larger area where there are suitable conditions for living.

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3 years ago
How do geologists study direct evidence of Earth’s interior?
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Geologists have used two main types of evidence to learn about Earth's interior: direct evidence from rock samples and indirect evidence from seismic waves.

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3 years ago
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