Question

(B) Which element is found in both mantle
and crust?​

Answer 1

Answer:

Oxygen is the common element in both mantle and crust.

Answer 2

Answer:

Both the mantle and the crust are mostly composed of silicate rocks, which are rocks that are made of minerals that have silicon and oxygen in them. Oxygen is easily the most common element in both the crust and the mantle.

Explanation:

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