Question

The carbon cycle is used to explain how (1 point)

O carbon only moves between non-living ecosystems.
O carbon only moves between living ecosystems.
O carbon only moves between the atmosphere and the hydrosphere.
O carbon only moves between living and non-living ecosystems.

Answer 1

carbon moves between the atmosphere & hydrosphere, but it also moves between living & non-living ecosystems so i’d assume the last one is the answer.