Match the stage of the oxygen cycle with the correct description.
Question 3 options:
All aerobic organisms use free oxygen for respiration
Animals exhale carbon dioxide back into the atmosphere which is again used by the plants during photosynthesis
All green plants during the process of photosynthesis, release oxygen back into the atmosphere as a by-product
1.
Stage 1
2.
Stage 2
3.
Stage 3
1. Stage 2
2. Stage 3
3. Stage 1