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प्रश्न
Name the following.
Fossil fuel
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उत्तर
Coal and petroleum
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संबंधित प्रश्न
Why should we use natural resources properly and judiciously? Explain your views.
The layer of ozone gas absorbs ______ rays that come from the sun to the earth.
Both ______ and ______ constituents are present in the soil.
What will happen if microbes in the soil get destroyed?
Match the following.
| Group ‘A’ | Group ‘B’ |
| (1) Carbon dioxide | (a) Generation of soil |
| (2) Oxygen | (b) Rain |
| (3) Water vapour | (c) Plants and food production |
| (4) Microbes | (d) Combustion |
Describe natural resources with reference to the following:
Forest resources
How does the economic condition of a nation depend on its natural resources?
Which products are obtained from forests?
What are the purposes for which land is used?
If there were no atmosphere around the earth, the temperature of the earth will
