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प्रश्न
Give scientific reason.
A biofuel is an important tool in renewable energy sources.
उत्तर
- Biofuels are renewable sources of energy.
- They are available in solid (dung, crop residue), liquid (vegetable oils, alcohol) and gaseous (gobar gas) forms.
- Biofuels are easily available in sufficient amounts.
- They are reliable fuels of the future.
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