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प्रश्न
Water is very precious for all living beings. What will happen in future if we do not save water now?
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उत्तर
Water is the gift of nature, we must learn to honour it. If we do not use water judiciously and do not save it, there will be a scarcity of water and we will not be able to do various activities where water is required. It will also affect life on earth.
Some of the problems that would be faced by people due to water scarcity are:
- Daily activities will become very difficult in the shortage of water.
- Crop production will be affected resulting in an insufficient supply of food.
- People would have to buy water at high prices.
- People may drink dirty (contaminated) water which causes water-borne diseases such as cholera.
Due to water scarcity, sufficient water will not be available to plants. Plants need water to prepare their food through the process of photosynthesis. If water is not available to plants, the green character of the planet will be lost. This may mean the end of all life, for a world without plants will mean no food, no oxygen, not enough rain and innumerable other problems.
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संबंधित प्रश्न
The construction of large dams leads to social and environmental problems. List two problems of each category.
List three problems which arise due to construction of big dams. Suggest a solution of these problems.
Compare the above system with the probable systems in hilly/mountainous areas or plains or plateau regions
Describe some of the problems associated with the construction of dams.
The main reason for the abundant coliform bacteria in the water of river Ganga is :
(a) immersion of ashes of the dead into the river
(b) washing of clothes on the banks of river
(c) discharge of industrial wastes into river water
(d) disposal of unburnt corpses into river water
What is Garden Watersaver Diverter (GWS)? What advantage does it have over other rain water harvesting devices?
Describe the method of rainwater harvesting.
Agriculture consumes around ______ of the available freshwater.
Water level in the reservoirs is measured in ______.
The microorganism used in file secondary treatment must be separated from treated wastewater by ______.
