RR Rr is the punnet square according to this cross.
Answer:
The oxygen cycle is closely linked to the carbon cycle and the water cycle (see hydrological cycle). ... Carbon dioxide enters the carbon cycle or is taken up by plants for photosynthesis. During photosynthesis oxygen is evolved by the chemical splitting of water and returned to the atmosphere
Explanation:
If you applied then no it it isn’t but if u didn’t it could be....