Biology
Biology, 16.09.2019 17:30, yarielisr18

Why do geologists think earth's core contains mostly iron?
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a. the crust contains no nickel.
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b. the crust contains a mixture of iron and silicon.
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c. the moon's crust contains far less iron than earth's crust.
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d. other orbiting bodies contain more iron than earth's crust does.

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