B. carbon
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Biology, 13.08.2020 19:01, sundayrider101
Which element is in abundance in the crust but not in the mantle?
A. magnesium
B. carbon
C. oxygen
D. silicon
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Do you know the correct answer?
Which element is in abundance in the crust but not in the mantle?
A. magnesium
B. carbon
B. carbon
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