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प्रश्न
Write the advantages of rainwater harvesting.
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उत्तर
Advantages:
- Rainwater harvesting can reduce flooding in cities.
- Rainwater harvesting can reduce topsoil loss.
- Groundwater level can be increased.
- Groundwater can be conserved.
- It can improve plant growth.
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संबंधित प्रश्न
Name the bacteria whose presence in water indicates the contamination with disease-causing micro-organisms.
Explain briefly, how rainwater harvesting is done from open spaces around the buildings in city areas.
State the advantages of constructing dams across the rivers.
The river water is said to be polluted with acidic wastes if the pH of river water is :
(a) zero
(b) above 7
(c) below 7
(d) exactly 7
Rooftop rainwater harvesting.
What is a rain water harvester? How does it work?
Describe the method of rainwater harvesting.
The fresh water available on earth is only 3%. We cannot increase the amount of water. In that case, how can sustain the water level?
Sardar Sarovar Dam is constructed on which river?
Which one is not an example of groundwater?
