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Question

Why is biogas considered a good fuel?

(a) It burns without smoke.
(b) It is environment friendly as the residue can be used as manure.
(c) It uses animal and plant waste as raw material instead of wood.
(d) all the above


Solution

(d) all the above

When plant and animal materials decay, they produce biogas. Methane is a major constituent of biogas. It is considered to be a good fuel.

Science
Active Science
Standard VIII

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