Q. 4.     Compare and contrast fossil fuels and the Sun as direct sources of energy.

Answers (1)

Both fossil fuels and solar energy are direct sources of energy but have the following differences between them.

Fossil Fuels Solar Energy
(i) Non-renewable source of energy.

(i) Renewable source of energy.

(ii) Economical. (ii) Expensive to harness.
(iii) Pollutes the environment. (iii) Is environment friendly.
(iv) They are exhaustible. (iv) Solar energy is non-exhaustible.
(v) Fossil fuels are available throughout the year. (v) Solar energy can be harnessed only on sunny days.

 

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