Question

Biogas is an excellent fuel because it contains up to :​

Answer 1

Biogas is a well-established fuel for cooking and lighting in a number of countries. This is known as an excellent fuel because it is a mixture of about 50-70% methane and 25-45% C02 and traces of other gases. The gas is created from anaerobically decaying organic mater, such as manure and plant material.

Answer 2

Answer:

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