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JAMB Biology 2013 Question 40

Question 40

Pollution

A pollutant that is biodegradable is

  1. A.heavy metals.
  2. B.cellophane.
  3. C.sewage.
  4. D.crude oil.
Show the answer and explanation

Answer: C (sewage.)

Explanation

Sewage is organic waste that bacteria and fungi can break down, so it is biodegradable. Heavy metals and cellophane are not broken down by microbes.