Q. 55.0( 2 Votes )

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Answer :

a) Formation of coal take thousands of years naturally. It is present in a limited amount. Hence, coal is a non renewable source of energy.


b) Rock oil is found trapped in the oils and its formation takes place in a large amount of time. Hence, rock oil is non-renewable.


c) Petrol is a fossil fuel whose formation naturally occurs in thousands of year. Thus, petrol is non-renewable.


d) Wind is present in nature and cannot be finished with even its continuous use. Hence, WIND IS A RENEWABLE SOURCE OF ENERGY.


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