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प्रश्न
A biogas plant is where biogas is produced by fermenting biomass.
Biogas is a better fuel than animal dung cake because:
(a) Biogas is a renewable source of energy.
(b) Animal dung cake has a higher calorific value.
(c) Biogas has a high heating capacity.
(d) Biogas burns without smoke.
विकल्प
(a) only
(b) only
(c) and (d)
(a) and (b)
MCQ
उत्तर
(c) and (d)
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