Question

Any movement of carbon between carbon reservoirs is called a

Answer 1

The answer you are looking is the carbon cycle.
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Answer 2

Answer:

The correct answer is "flux".

Explanation:

The four main carbon reservoirs on Earth are located in the atmosphere, the terrestrial biosphere, the oceans and the sediments. Any movement of carbon between carbon reservoirs is called a flux. It is possible to estimate the net direction and magnitude of the carbon fluxes, however there are several processes that are responsible for these fluxes, including: photosynthesis, respiration, decomposition, combustion, among others.