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3 votes
In the carbon cycle, carbonate rocks would be MOST likely to be part of which of Earth's "spheres"?

A. biosphere
B. geosphere
C. cryosphere
D. hydrosphere

2 Answers

5 votes

The correct answer is B geosphere

just took this test.

key word is ROCK :P

User Revolutionary
by
9.0k points
5 votes
It is A because carbon enters the biotic world through the action of autotrophs. Carbon returns to the atmosphere and water.
User Tengyu Liu
by
9.0k points
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