Question 7:
On what basis would you classify energy sources as
(a) renewable and non-renewable?
(b) exhaustible and inexhaustible?
Are the options given 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
source of energy. Coal, petroleum, natural gas, etc. 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, 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 is one of the inexhaustible sources of
energy.Yes. The options given in (a) and (b) are the same.
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