One of the following is not an exhaustible source of energy. This one is :
(a) natural gas.
(b) petroleum gas
(c) coal gas
(d) biogas
Which of the following is not a fossil fuel?(a) coal(b) petroleum gas(c) biogas(d) natural gas
The gas which occurs above the petroleum oil trapped under the rocks is called :
(a) biogas
(c) natural gas
(d) coal gas
An example of a renewable source of energy is: (a) petrol (b) natural gas (c) biogas (d) kerosene
(a) Distinguish between renewable and non-renewable sources of energy. (b) Choose the renewable sources of energy from the following list: Coal, biogas, sun, natural gas [3 MARKS]