Asked by cesat

What process restores over 90% of the oxygen back into the atmosphere?

oxidation

photosynthesis

photolysis

respiration
Answered by GPT-4o mini
The process that restores over 90% of the oxygen back into the atmosphere is **photosynthesis**. During photosynthesis, plants, algae, and some bacteria convert carbon dioxide and water into glucose and oxygen using sunlight. This process is essential for maintaining the oxygen levels in the atmosphere.
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