Which of the following adds/add carbon dioxide to the carbon cycle on the planet Earth?
Which of the following adds/add carbon dioxide to the carbon cycle on the planet Earth?
1. Volcanic action
2. Respiration
3. Photosynthesis
4. Decay of organic matter Select the correct answer using the code given below.
(a) 1 and 3 only (b) 2 only (c) 1, 2 and 4 only (d) 1, 2, 3 and 4
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(c) Volcanic action, Respiration and decay of organic matter adds/add carbon dioxide to the carbon cycle on the planet Earth. However, photosynthesis uses Carbon di oxide to produce food.
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