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WAEC Agricultural Science 2016 Question 17

Question 17

Soil Fertility and Plant Nutrition

In the carbon cycle, carbondioxide in the air may be replenished by

  1. A.respiration.
  2. B.transpiration.
  3. C.lightning.
  4. D.denitrification.
Show the answer and explanation

Answer: A (respiration.)

Explanation

Living things release carbon dioxide when they respire.