Multiple choice

Which of the following water pollutants are mainly responsible for eutrophication?

  1. Cd, Pb and Hg present in industrial waste

  2. Heavy metals present in mining waste

  3. Detergents and fertilisers containing phosphate anion

  4. Polychlorinated biphenyls

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Detergents and fertilisers containing phosphate anion are mainly responsible for eutrophication.