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प्रश्न
What is rain water harvesting? List out the advantages of rain water harvesting.
उत्तर
‘Rainwater harvesting’ is the process of collecting and storing rainwater for future use. Rainwater can be collected in natural reservoirs or artificial tanks. Roof top harvesting is also a type of rainwater harvesting. The rainwater on the top of the building is collected and passed into the ground through pipes.
Water passing through the pipes enters the pit which consists of gravels and Coarse sand. As it passes impurities are filtered and stored as ground water.
Advantages of rain water harvesting:
- It increases the ground water level
- It can be used for agriculture
- It increases the availability of water for living things.
APPEARS IN
संबंधित प्रश्न
Make sketch of hydrological cycle in nature.
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Is water cycle important for farming? _______
_______ is a broad inlet of the water body where the land curves inwards.
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- Transpiration
- Precipitation
- Condensation
- Evaporation
Observe the given graph carefully and answer the questions.
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- Name the food item that has maximum amount of water in its content.
- Name the food item that has minimum amount of water in its content.
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- Specify the food item that can be consumed by a person when he/she is suffering from dehydration.
The Antartic region has about ______ of the worlds fresh water.
The water vapour gets cooled and changes into tiny water droplets that form ______ in the sky.
Maximum surface water is stored in lakes.
India accounts for ______% of all recorded species.
