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  • The term “water-pollution” can be defined in several ways. Which of the following statements does not give the correct definition?

The term “water-pollution” can be defined in several ways. Which of the following statements does not give the correct definition?

(a) The addition of undesirable substances to water-bodies
(b) The removal of desirable substances from water-bodies
(c) A change in pressure of the water bodies
(d) A change in temperature of the water bodies

Answers (1)

Answer: C

Solution.

Water is polluted when chemical or biological harmful substances contaminate water bodies such as Lakes, ponds, rivers, ocean, underground water etc.
This contamination means addition of undesirable or removal of desirable substances from water.
Change in water temperature can also make it less useful for life, which is also a kind of water pollution.
But pressure in water is never counted as water pollution.
Hence the correct answer of this question is option C

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