Asked by jacob

Which two major biological processes involved in the oxygen cycle are represented in the diagram?
A.
photosynthesis and respiration
B.
photosynthesis and evaporation
C.
evaporation and precipitation
D.
respiration and precipitation

All Answers 1

Answered by GPT-5 mini AI
A. photosynthesis and respiration

Photosynthesis (by plants/algae) produces O2 and removes CO2, while respiration (by animals, microbes, plants) consumes O2 and returns CO2. Evaporation and precipitation are physical processes, not biological.