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प्रश्न
What resource will have to be used for the following work –
After sunset, making light available inside the house.
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उत्तर
Kerosene, Wood or Electricity
संबंधित प्रश्न
What resource will have to be used for the following work –
Cooking on a picnic.
What resource will have to be used for the following work –
Salma wants to iron her clothes.
What resource will have to be used for the following work –
Starting a railway-engine.
Explain the differences using the points in the brackets.
(availability, environment-friendliness, advantages, and drawbacks)
Mineral oil and solar energy
The most important constituents of petroleum are hydrogen and ______.
The development of wind power in India began in the year ______.
What are the uses of petroleum?
The highest quality hard coal is ______
“Non-conventional resources are the best option to conserve the natural resources” Substantiate this statement with Examples.
“India has enormous possibilities of tapping solar energy.” Explain the statement with an example.
