Which of the following is NOT a part of the oxygen cycle?

1. photosynthesis
2. precipitation
3. cellular respiration

Respuesta :

Answer: 2. Precipitation

Explanation:

Aerobic cellular respiration requores oxygen. Photosynthesis does, as well.

Explanation:

its 2  precipitation

heres a link to show u how it works

https://mocomi.com/wp-content/uploads/2016/01/Oxygen_Cycle.gifion