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Which of the following statements is false?

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The industrial and domestic sewage discharge is the main reason for river water pollution.

Surface water contains a lot of organic matter and mineral nutrients.

Oil spill in sea water causes heavy damage to fishery.

Oil slick in sea water increases dissolved oxygen.

answer is D.

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Detailed Solution

Oil slick in sea water disconnect the water surface of sea with atmosphere so there is lack of dissolved oxygen gas.

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