Social Sciences, asked by yashitswami, 2 months ago

Give the chemical composition of the two types of crust.

Answers

Answered by minhasherief

Answer:

Chemical elements in the crust The most common chemical elements in the crust are oxygen (46.6%), silicon (27.7), aluminum (8.1), iron (5.0), calcium (3.6), potassium (2.8), sodium (2.6), and magnesium (2.1). These figures vary among different studies because we really have no way to know for sure.

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