The only answer that could be considered an advantage is C. Increasing the amount of crops harvested.
- Oxygen cycle is the cycle which maintains the level of oxygen in the atmosphere.
- Oxygen from the atmosphere is used up during combustion, respiration and in the formation of oxides of nitrogen.
- This oxygen is returned to the atmosphere by lithosphere.
- This forms the oxygen cycle in nature.
Hope you could get an idea from here.
Doubt clarification - use comment section.
Today in Biology my teacher discussed about Meiosis & sperm cells the other choices were not involved. I would choose that one as it being a reproductive cell.
