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  Layer of Earth  Depth Composition1. Crust30 – 100 kmVarious kinds of rocks2. Mantle100 – 2900 kmsChemicals & Silicates3. Outer core2900-5100 kmsNickel & Iron4. Inner core5100 – 6376 kmsIron compounds & GoldObserve the table and answer the following questions. 1) Which is uppermost layer of the interior of the earth?2) What is the thickness of the core?3) Which layer is supposed to have more gold?4) What is the radius of the earth?

Answer»

1. Crust is the uppermost layer of the interior of the earth.

2. The thickness of the core is 3476 kms.

3. The inner core is supposed to have more gold.

4. The radius of the earth is 6376 km.



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