Question

state two ways in which the degree of water pollution caused by sewage can be reduced
Answers; 1.Do not dump sewage around or in rivers.
2.Avoid dumping trash into freshwater sources.

Answer 1

Answer:

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Explanation:

Irreversible Change

Some changes are irreversible means we cannot get the matter back after change. Burning of coal, burning of paper, burning of fuel, ageing of man,