Biology · Sources of Energy
Which one of the following statements about biogas is not correct?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1It is mainly composed of methane gas.
- 2It is a non-renewable source of energy.✓
- 3It is formed by the anaerobic decomposition of biomass like cow dung.
- 4It burns without smoke and leaves no ash residue.
Correct answer
It is a non-renewable source of energy.
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