Question

Where are most heavier metals, such as iron and nickel, found in the Earth's layers, and why?

Answer 1

Answer:

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Explanation:

The Four Layers

Many geologists believe that as the Earth cooled the heavier, denser materials sank to the center and the lighter materials rose to the top. Because of this, the crust is made of the lightest materials (rock- basalts and granites) and the core consists of heavy metals (nickel and iron).

Answer 2

Answer:

According to scientists during the formation of the earth when the earth started to cool all the heavier and denser metals like iron and nickel sank down while lighter materials like basalt and granite remained on the surface

Explanation:

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