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Water

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Multiple Choice

Which of the following are the causes of water pollution?

(i) Defecating in water bodies
(ii) Disposing off idols of gods and goddesses into water bodies
(iii) Discharging industrial wastes into water bodies
(iv) Growth of phytoplankton in water bodies

  1. (i), (ii) and (iii)
  2. (i) and (ii)
  3. (i), (iii) and (iv)
  4. (ii) and (iii)
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