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JAMB Chemistry 2002 Question 46

Question 46

Carbon and its Compounds

The processes which return carbon (IV) oxide to the atmosphere include

  1. A.respiration,decay and combustion
  2. B.photosynthesis, respiration and transpiration
  3. C.ozone depletion, combustion and decay
  4. D.photosynthesis, decay and respiration.
Show the answer and explanation

Answer: A (respiration,decay and combustion)

Explanation

Respiration, decay of dead matter and burning all release CO2. Photosynthesis removes CO2 from the air.