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What can be made using bio-degradable waste?

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in Biology – Class 12 by (271k points)
What can be made using bio-degradable waste?

(a) Automobiles

(b) Metals

(c) Water

(d) Gobar gas

I got this question during an internship interview.

The query is from Environmental Issues in portion Environmental Issues of Biology – Class 12

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The correct choice is (d) Gobar gas

The explanation is: The bio-degradable waste can be used to produce the gobar gas. Also known as biogas, it is a mixture of methane, carbon dioxide, hydrogen, and hydrogen sulfide produced by the breakdown of organic matter in the absence of oxygen.

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