NCERT Exemplar VII — task. Science CBSE, Class 8.

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எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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Answer the following questions in a very short sentences:

1. Combustion of fossil fuels generates a lot of air pollution. Can you suggest any two alternative sources of energy which do not cause any pollution?

The combustion of fossil fuels generates a lot of air pollution. energy and energy are two non-polluting alternative sources of energy.

2. Name any two water pollutants which are toxic for plants and animals.

and are two toxic water pollutants to plants and animals.

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16. NCERT Exemplar VII

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