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28-02-2020
Biology

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Which of the following statements is correct?
A. Carbon stays only in the biosphere
B. Carbon is sometimes added to the Earth's closed system
C. Carbon is sometimes destroyed in the Earth's closed system
D. Carbon is exchanged by all four spheres of Earth

Respuesta :

28-02-2020

Answer:

d

Explanation:

its reversing all time...

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