Question

What is the surface of the Earth made up of?​

Answer 1

The rocky surface layer of Earth, called the crust, is made up of mostly oxygen, silicon, aluminum, iron, calcium, sodium, potassium and magnesium.

Answer 2

• Answer:
• Answer:The rocky surface layer of Earth, called the crust, is made up of mostly oxygen, silicon, aluminum, iron, calcium, sodium, potassium and magnesium

Explanation:

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