Photosynthesis and cellular respiration are both complementary and relatively balanced,but early history of life on Earth showed increasing oxygen concentrations.This indicates that

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The increasing oxygen concentrations in the early history of life on Earth indicate that the amount of photosynthesis occurring exceeded the amount of cellular respiration. This is because photosynthesis produces oxygen as a byproduct, leading to an accumulation of oxygen in the atmosphere over time. If respiration were occurring at a higher rate than photosynthesis, the oxygen levels would not have risen as significantly.

Photosynthesis and Cellular Respiration Are Both Complementary and Relatively Balanced,but