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Sun for solar energy
biodegradable waste-Biomass energy
These energy sources are present in unlimited amount.
Also use for making food.
Yes these sources are pollution free because
1) biogas gives methane which burns without smoke & ash.
2) Solar energy is used to making food with help of a device solar cooker which doesn't produce harmful gases.
prathibabalaji01:
Thanks for ur ans
Can we even write wind energy??
mm..yss
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