Question

Three layers of earth





for exam

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Answer 1

1.crust

2. core

3. mantle

Answer 2

Earth can be divided into three main layers: the core, the mantle and the crust. Each of these layers can be further divided into two parts: the inner and outer core, the upper and lower mantle and the continental and oceanic crust. Both the inner and outer core are made up of mostly iron and a little bit of nickel

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