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What is the layer of earth that is most near the surface?
Crust ( Continental and Oceanical)
What’s the 2nd layer of earth that is most near the surface?
Mantle (Upper and Lower)
What is the 3rd layer of earth that is the nearest to the surface?
Core (Inner and Outer)
What is the thinnest layer of earth?
Crust
What is the thickest layer of earth?
Mantle
What’s the hottest layer of earth
Core (Inner)
What’s the composition of the crust?
Mainly oxygen and sillicon.
What’s the composition of the upper mantle?
mainly: silicon, oxygen, magnesium, and iron
What’s the composition of the lower mantle?
mainly lerropericase and silicate perovskite, two minerals containing iron, magnesium, and silicates
What’s the composition of the outer core?
Mainly liquid Iron and nickel.
What’s the composition of the inner core.
Solid iron and nickel.
The name of the physical layer of the crust and a part of the lower mantle is called:
Lithosphere
The name of the physical layer of a part of the upper mantle is called:
Asthenosphere
The name of the physical layer of the lower mantle is called:
Mesosphere