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WAEC Biology 2017 Question 23

Question 23

Food Substances and Enzymes

The complex energy-rich organic matter which living organisms need for life is

  1. A.water.
  2. B.air.
  3. C.food.
  4. D.mineral salts.
Show the answer and explanation

Answer: C (food.)

Explanation

Food is made of complex organic substances that store energy. Water, air and mineral salts are simple inorganic materials.