Question.
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 ?
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 ?
solution:
(a) Renewable sources of energy are those which
(i) can be replaced as we use them and
(ii) can be used to produce energy again and again. Non-renewable sources of energy are those which cannot be replaced once these are used.
(b) Exhaustible sources of energy are those whose supply is limited, e.g., coal, petroleum and natural gas. Inexhaustible sources of energy are those whose energy supply is unlimited, e.g., water energy, wind energy, etc.
Renewable sources of energy are inexhaustible whereas non-renewable sources of energy are exhaustible with some exceptions. For example,bio-mass is a renewable source of energy, only if we plant trees in a planned manner.
(a) Renewable sources of energy are those which
(i) can be replaced as we use them and
(ii) can be used to produce energy again and again. Non-renewable sources of energy are those which cannot be replaced once these are used.
(b) Exhaustible sources of energy are those whose supply is limited, e.g., coal, petroleum and natural gas. Inexhaustible sources of energy are those whose energy supply is unlimited, e.g., water energy, wind energy, etc.
Renewable sources of energy are inexhaustible whereas non-renewable sources of energy are exhaustible with some exceptions. For example,bio-mass is a renewable source of energy, only if we plant trees in a planned manner.
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