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17 December, 10:14

What are the major reservoirs in the carbon cycle? /

A. atmosphere, biosphere, liquid and frozen waters, petroleum

B. atmosphere, biosphere, rocks

C. atmosphere, biosphere, liquid and frozen waters, rocks, earth's crust

D. atmosphere, liquid and frozen waters, rocks, earth crust

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Answers (2)
  1. 17 December, 10:36
    0
    I've been studying with my little sister and the answer is D!
  2. 17 December, 11:54
    0
    I thing the correct answer is d
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