10th Class Science Sources of Energy

  • question_answer 4)
    Compare and contrast fossil fuels and the Sun as sources of energy.

    Answer:

    (i) The reserves of fossil fuels are limited, i.e., exhaustible whereas solar energy in available in abundance and that too without cost), i.e., is inexhaustible.           (ii) Fossil fuels cause pollution on burning whereas solar energy is pollution free. (iii) Fossil fuels can provide energy at any required time whereas solar energy becomes unavailable when the sky is covered with clouds.


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