Question

Through which process is oxygen returned to the atmosphere?

Answer 1

Photosynthesis:

1. The oxygen is returned to the atmosphere through photosynthesis by plants.
2. During photosynthesis, the carbon dioxide, and water are used by plants to form food along with the release of oxygen.
3. The process of fixing atmospheric carbon by trapping the sun's energy in biological form.
4. In this process, light energy is converted to chemical energy.
5. In photosynthesis, the carbon dioxide, along with water, is converted to a carbohydrate molecule.
6. Glucose with the release of oxygen in the atmosphere in the presence of chlorophyll and sunlight.