alleryWhich process mainly drives the oxygen cycle?
APhotosynthesis
BVolcanic eruption
CHeavy rainfall
DRock erosion
Answer & Solution
Correct answer: A. Photosynthesis
1. The oxygen cycle moves oxygen between the atmosphere, biosphere and lithosphere.
2. Its main driving factor is photosynthesis.
3. Photosynthesis also shaped the modern atmosphere.
_Source: Wikipedia, Natural environment, Biogeochemical cycles_
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