Question

The need for energy, gained by respiration and photosynthesis, is the driving force of the oxygen cycle.

Please select the best answer from the choices provided
ОТ
OF

Answer 1

The best answer from the choices provided is "OF". The oxygen cycle is driven by the need for energy, which is gained by both respiration and photosynthesis. Respiration releases oxygen as a waste product, while photosynthesis produces oxygen as a byproduct. The oxygen produced by photosynthesis is then used by organisms for respiration, and the cycle continues.

Step-by-step explanation: