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प्रश्न
What is meant by the renewable and non-renewable sources of energy? State two differences between them, giving two examples of each
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उत्तर
Renewable: The natural sources providing us energy continuously are called renewable sources of energy.
Non-renewable: The sources of energy that have accumulated in nature over a very long period of time and cannot be quickly replaced when exhausted are called non-renewable sources of energy.
Difference:
|
Renewable sources |
Non-renewable sources |
|
They can be utilised continuously. |
They cannot be utilised once exhausted. |
|
Examples: Sun, Wind |
Example: Coal, Petroleum |
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