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प्रश्न
Air is a natural resource and cannot be exhausted by human activities. It is known as inexhaustible natural resource. Which of the following is another inexhaustible natural resource?
पर्याय
Coal
Petroleum
Sunlight
Minerals
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उत्तर
Sunlight
Explanation:
Sunlight, air and water are inexhaustible natural resources that means which cannot be exhausted by human activities.
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संबंधित प्रश्न
Why are fossil fuels classified as non-renewable source of energy?
Classify the following
Coal, Wind, Tides, Petroleum,Wood, Natural gas
What is the basis of above classification?
What are fossil fuels? Give three examples of fossil fuels.
Describe how fossil fuels were formed.
Fossil fuels are energy rich compounds of an element X which were originally made by the plants with help of sun's energy.
Name the element X.
Name the major component of biogas.
Which of the following is not an example of a biomass energy source?
(a) wood
(b) biogas
(c) atomic energy
(d) cow-dung
What type of nuclear reaction is responsible for the liberation of energy:
in the sun?
Some natural resources are given below. Classify them into the exhaustible and inexhaustible natural resources.
| air, coal, natural gas, sunlight, petroleum, minerals, forests, oxygen |
Complete the crossword in figure with the help of the clues:
Across
1. Fuels obtained from dead remains of living organisms. (6, 5)
2. A process by which the various constituents of petroleum are separated. (8)
3. A porous black substance obtained from coal. (4)
4. Another name for motor fuel. (6)
Down
5. The substance obtained by carbonisation. (4)
6. Fuel for heavy motor vehicles. (6)
7. A petroleum product used for road surfacing. (7)
8. Dead remains of sea animals got converted into it. (9)
