Which of the following statements is not true for biogas?
(a) In village areas biogas plants are developed more
(b) Biogas is a mixture of gases which are used as fuel energy.
(c) Bacterial activities are used in biogas plants
(d) Methane is a major gas in biogas.
(A) only (a)
(B) (a) and (b)
(C) (a), (b) and (c)
(D) none of these

Options

A. only (a)
B. (a) and (b)
C. (a), (b) and (c)
D. none of these

Answer

D

Explanation

none of these