Question

What is meant by renewable and non-renewable sources of energy? State two differences between them, giving two examples of each.

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Answer

Renewable sources of energy or non-conventional source are sources from which energy can be obtained continuously over a long period of time.

Non-renewable source of energy or conventional source are sources from which energy cannot be continuously obtained over a long period of time.

Difference between renewable and non-renewable sources of energy are as follows —

Renewable sources of energy or non-conventional source Non-renewable sources of energy or conventional source
These sources can be regenerated. These sources cannot be regenerated.
These are natural sources which will not get exhausted. These are natural sources which will get exhausted with time.
Example — Sun, wind, water etc. Example — Coal, petroleum, natural gas.

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