Why is biogas considered an efficient use of cattle dung?
It requires a lot of land.
It improves fuel wood quality.
It produces residual waste.
It reduces the need for fossil fuels.
Answer and Solution
Answer
D. It reduces the need for fossil fuels.
Solution:
Biogas, derived from cattle dung, reduces reliance on fossil fuels by providing a renewable energy source. The other options do not accurately capture biogas's value.
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