Topic Content:
- Process that Remove Oxygen from the Atmosphere
- Process that Release Oxygen into the Atmosphere
- Importance of Oxygen Cycling
- Carbon – Oxygen Balance
The process by which oxygen is removed and returned to the atmosphere is referred to as the oxygen cycle.
Process that Remove Oxygen from the Atmosphere:
(i) Cellular Respiration: During respiration living things breathe in oxygen.
(ii) Combustion or Burning of Materials: This occurs when any organic materials, including fossil fuels, natural gas, plastics, and wood, are burned in the presence of oxygen and release carbon dioxide into the atmosphere.
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