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प्रश्न
Why petrol is exhaustible natural resource, whereas sunlight is not? Explain.
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उत्तर
The natural resources which are present in a limited quantity in nature and can be exhausted (used up) by human activities are called exhaustible natural resources, e.g. coal, petroleum, natural gas, minerals, forests, wildlife, etc.
It requires millions of years for the conversion of the dead organisms into petroleum from which petrol is separated. So, once the present stock of it gets exhausted, no new supplies of it will be available to us in the near future, whereas sunlight is present in an unlimited quantity in nature, so it is an inexhaustible natural resource. It is not likely to be exhausted by human activities.
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संबंधित प्रश्न
What is the difference between a renewable and a non-renewable source of energy? Explain with examples.
Why is LPG considered a better fuel than coal?
Coal cannot be converted into one of the following forms of energy. This is:
(a) coal gas
(b) electricity
(c) oil
(d) charcoal
A substance X is added to LPG cylinders while filling so as to make the detection of leakage of LPG from the cylinder easy.
How does substance X make the detection of leakage of LPG easy?
What are non-renewable resources of energy? Give two examples of such resources.
Select the renewable and non-renewable sources of energy from the following :
- Coal
- Wood
- Water
- Diesel
- Wind
- Oil
Can you tell?
Why should we maximise the use of non-conventional energy resources?
Name the major constituent of natural gas.
Choose the odd one:
Coal is one of the ______ used to cook food.
