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Question

What are the disadvantages of using wood/dung as domestic fuel?


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Solution

Disadvantages of using wood/dung as a domestic fuel:

(1) Burning of dry dung cakes/wood causes air pollution.

(2) Dry dung cakes/wood leave a large quantity of ash after burning.

(3) Burning of dung cakes destroys useful nutrients. Dung contains useful nutrients that can nourish plants.

(4) Dry dung/wood has a low calorific value.


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