Compost manure is formed from

  • A
    Rotted vegetable and animal refuse
  • B
    Farmyard manure and green manure
  • C
    Farm refuse and household refuse
  • D
    Organic wastes from which biogas has been extracted

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Similar Questions

Assertion $A$: Cow dung is used for the production of biogas.
Reason $R$: Cow dung is rich in methanogens.
Which option is correct for Assertion $A$ and Reason $R$?

What is filled into the concrete tank of a biogas plant?
$(i)$ Nutrients
$(ii)$ Cow dung
$(iii)$ Methanogens
$(iv)$ Organic waste

$A$: The chief component of biogas is $CH_4$.
$R$: Biogas plants are prepared on foreign technology.

In biogas production,the decomposition of dung to produce gas is carried out by which of the following?

Which is the correct group of gases produced during aerobic digestion (biogas production)?

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