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Displaying 5 out
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questions & answers.
- Core: the innermost layer of the Earth
- Crust: the topmost layer made up of solid hard rocks
- Divergent plates: the plates that pull apart Or diverge
- Isostasy: the gravitational equilibrium between the crust of the Earth and the mantle in a way that the crust floats at an elevation
- Lithosphere: the Earth's crust which varies in thickness
- Mantle: the second layer after the crust
- Meteorites: debris from outer space which is a part of a comet or asteroid
- Mohorovicic Discontinuity: the mantle is separated from the crust by this boundary
- Sial: the upper layer of the Earth s crust
- Sima: the lower layer of the Earth's crust
- Ultrabasic rock: a rock composed mainly of iron-magnesium silicates
Q1.
Mention the methods through which we come to know about the interior of the Earth.
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What are the different layers of the Earth?
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Different layers of the Earth (in ascending depth) are:
- Crust
- Upper Mantle
- Mantle
- Outer Core
- Inner Core
Q3.
How do the layers of the Earth differ from each other?
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What is the rate of the increase of temperature in the interior of the Earth?
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The temperature within the Earth increases by 1ºC for every 32m of descent. Thus, the core of the Earth has a temperature of about 5000ºC on an average.
Q5.
What is the composition of the crust?
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