Kapil was feeling proud after the installation of solar water heater on his roof top. He knows that he has contributed towards the conservation of environment. Now answer the following questions:: (i) Write one advantage and one limitation of using a solar water heater. (ii) How has Kapil contributed towards the conservation of environment? (iii) State the values that prompted Kapil’s action.

(i) Advantage ; A solar water heater does not require any fuel or elasticity. Limitation: A solar water heater cannot operate during night time and on cloudy days.
(ii) A solar water heater utilises solar energy which is a renewable and clean source of energy and helps in conservation of environment.
(iii) Kapil desires that we should encourage non-conventional, non-polluting and clean source of energy. Thus, he is an environmentalist and a responsible citizen.