The oceanic crust is composed mainly of materials rich in
• nickel and iron
• silica and aluminium
• silica and magnesium
• iron and magnesium
Answers
Answered by
15
Answer:
iron and magnesium
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Explanation:
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Answered by
1
Answer:
the answer is D
Explanation:
The oceanic crust is primarily composed of mafic rocks, or sima, which is rich in iron and magnesium.
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