Which process involves carbon moving directly from the biosphere into the geosphere?
A. the eruption of a volcano
B. the photosynthesis of a plant
C. the weathering of rocks by a river
D. the decomposition of plants on the forest floor
A. the eruption of a volcano
B. the photosynthesis of a plant
C. the weathering of rocks by a river
D. the decomposition of plants on the forest floor