What principle is used in the above diagram to calculate the amount of carbon dioxide that is absorbed by land? a. the law of universal gravitation b. cell theory c. atomic theory d. the law of conservation of mass

D - the law of conservation of mass

Explanation:

The law of conservation of mass states that for a system to be closed to transfers of matter and energy, the mass must remain constant over time - so nothing can be added or taken away.

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