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Question

Which of the following statements is false?
  1. Surface water contains a lot of organic matter, mineral nutrients and radioactive materials
  2. Oil spills in sea water causes heavy damage to fishery
  3. The main reason for river water pollution is industrial and domestic sewage discahrge
  4. Oil slick in a sea water increases DO value

A
Oil spills in sea water causes heavy damage to fishery
B
The main reason for river water pollution is industrial and domestic sewage discahrge
C
Oil slick in a sea water increases DO value
D
Surface water contains a lot of organic matter, mineral nutrients and radioactive materials
Solution
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The correct option is A The main reason for river water pollution is industrial and domestic sewage discahrge
River water pollution caused by industrial and domestic sewage discharges are not only responsible for pollution even the agricultural used pesticides fertilizers that drain into the river.

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