Question

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.

Options

• (a) only

• (b) only

• (c) and (d)

• (a) and (b)

Answer 1

(c) and (d)