WAEC Biology 2000 Question 48

Question 48

Nutrient Cycling

Which of the following is not released during decay of living matter?

  1. A.Ammonia
  2. B.Oxygen
  3. C.Carbon dioxide
  4. D.Heat energy
Show the answer and explanation

Answer: B (Oxygen)

Explanation

Decomposers use up oxygen as they respire and release carbon dioxide, ammonia and heat.