Answer:
(a)
The plants using cattle dung are known as 'Gobar gas plants' in rural India.
Gobar gas plants are set up at three levels
(i) Municipal (ii)
Cooperative
(iii) Individual
(b) Gobar gas plants provide improved quality of manure to
the farmers and Biogas obtained from these plants is used as a fuel.
(c) From the given passage I have learnt that biogas is an eco-friendly
source of energy and how it is beneficial to the farmers in the form of energy.
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