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प्रश्न
What is water cycle? Write any three importances of water cycle.
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उत्तर
The continuous cycle through which water is circulated by different processes like evaporation, condensation, and precipitation is called the water cycle.
Importances of water cycle:
- To improve the availability of ground water.
- To control the Earth’s temperature.
- To provide water to plants and animals especially humans.
- To recycle the Earth’s supply of water constantly.
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संबंधित प्रश्न
Discuss how water is replenished in sea
Why is water cycle important to human?
Water is converted into _______ when it is heated
CROSSWORD
DOWN
1. A method of water conservation.
2. Process of getting water vapour from sea water.
6. Water stored in dams is used for the generation of ______.
ACROSS
3. is a large body of non-potable water found in nature.
4. In summer, the body loses water as ______.
5. Plants undergo ______ and contribute to the water cycle.
State for the following whether it is due to evaporation or condensation:
Steam rising from a hot girdle when water is sprinkled on it.
Water vapour is present in air only during the monsoon.
Take out a cooled bottle of water from refrigerator and keep it on a table. After some time you notice a droplets of water around it. Why?
To clean their spectacles, people often breathe out on glasses to make them wet. Explain why the glasses become wet.
Transpiration takes place in rivers and lakes.
The wastes removed in tertiary treatment are ______.
