On what basis would you classify energy sources as :
(a) renewable and non-renewable ?
(b) exhaustible and inexhaustible ?
Are the options gives in (a) and (b) the same ?

Explanation

(a) The source of energy that is regenerated in nature is known as renewable source of energy. Sun, wind, moving water and biomass are some of the examples of renewable sources of energy. The source of energy that does not regenerated in nature is known as non-renewable source of energy. Coal, petroleum and natural gas are some of the examples of non-renewable sources of energy
(b) Exhaustible sources are those sources of energy, which will deplete and exhaust after a few hundred years. Coal and petroleum are the exhaustible sources of energy. Inexhaustible resources of energy are those sources, which will not exhaust in future. These are unlimited. Biomass is one of the inexhaustible sources of energy.
So, the options given in (a) and (b) are the same.