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Question

Give reasons.

(a) Air pollution has increased.

(b) We should make greater use of public transport.

(c) Diversity in plants is reducing day by day.

(d) Wet garbage should be properly managed.

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Solution

(a) Air pollution has increased due to the unlimited increase in the factories and vehicles that release harmful gases like carbon monoxide and nitrogen oxides into the air.

(b) We should make greater use of public transport so as to conserve petrol/diesel and also to contribute in protecting environment as unlimited growth in the number of vehicles is responsible for air pollution and global warming as they release toxic and greenhouse gases.

(c) The diversity in plants is decreasing day-by-day due to the cutting of forests over large areas for the construction of houses, factories and to clear land for agriculture purposes.

(d) Wet waste allows growth of large number of micro−organisms that release a bad odour. Also, it attracts more flies and mosquitoes. This leads to unhygienic condition and the spread of infectious diseases and this is why wet waste should be managed properly.


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