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Pollution of Air and Water — Science STD 8 — Question

Gujarat BoardEnglish MediumSTD 8SciencePollution of Air and Water2 Marks
Question
We should prevent pollution of the rivers.
✓

Answer

$-$Earth has very limited supply of fresh water.
$-$Rivers are the main source of fresh water.
$-$Besides drinking water rivers supplies water for irrigation also.
$-$This costly source becomes polluted by human activities.
$-$Pure water should be available to millions of people for their daily needs.
$-25\%$ of the world’s population is without safe drinking water.
$-$So we should prevent pollution of the rivers.

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