Question

Name two processes that add carbon dioxide to the atmosphere

Answer 1

Explanation:

Photosynthesis removes CO2 from the atmosphere and replaces it with O2. Respiration takes O2 from the atmosphere and replaces it with CO2.

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Answer 2

The two processes that add carbon dioxide to the atmosphere are Respiration and the burning of fossil fuels.

• Respiration: It is the process of oxidation of a suitable substrate (most commonly a carbohydrate) to produce energy in the form of ATP molecules.
• This oxidation can happen with the help of oxygen (aerobic respiration) or without oxygen (anaerobic respiration).
• Carbon dioxide is a by-product of the above-mentioned reaction.
• The burning of fossil fuels like coal and methane leads to the evolution of carbon dioxide and water into the atmosphere.