1.

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 ?

Answer» (a) The source of energy that replenishes in nature is known as renewable source of energy. Sun, wind moving water, bio-mass, etc. are some of the examples of renewable sources of energy.
The source of energy that does not replenish in nature is known as non-renewable sources of energy.
(b) Exhaustible sources are those sources of energy, which will deplete and exhaust agter a few hundred years. Coal, petroleum,etc. are the exhaustible sources of energy.
Inexhaustible resources of energy are those sources, which will not exhaust in future. These are unlimited. Bio-mass in one of the inexhaustible sources of energy.
Yes. The options given in (a) and (b) are the same.


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