7. In what form is water available to us? 8. Why do water supplies vary across the world? 9. List the various uses of water
Answers
Answer:
7. WE HAVE IN THE LIQUID FORM OF WATER.
8. THE VARIATION IN WATER SUPPLY CAN BE DUE TO DIFFERENCES IN RAINFALL AND CLIMATE.
9. 3 Major Uses of Water
Agricultural
Our country depends a lot on agriculture. Farmers rely on water to sustain their agricultural crops, e.g., wheat, paddy, etc. Many a times, rainfall is not sufficient to water these crops, and farmers have to use artificial watering systems, referred to as irrigation. Nearly 60% of the Indian population depends on agriculture for their living, and uses nearly 90% of all water for irrigation. Irrigation systems are necessary because the monsoons are unpredictable and in regions where cultivation completely depends on the rain, no rain can result in reduced yields or even total crop failure.
Domestic
We need water to drink. Water that is suitable for drinking is called potable water. We also need water to bathe, wash clothes and dishes, clean our house, and to water plants. It also regulates the climate of a place and provides homes to many animals. Water required for household use is called domestic water. It is required for a variety of purposes such as drinking, preparing food, bathing, washing clothes and dishes, watering plants, etc. We generally get water in our homes in one of the following two ways. It is either delivered by the municipal water distribution system, or we extract it from an underground source through a motor-driven tube well. Apart from these uses, water is also used for transportation and recreation.
Industrial
Industry depends on water at all levels of production. It is used as a raw material, a solvent, a coolant, a transport agent, and for generating electricity. Due to rapid industrial development, the demand for water in this area has increased in the past several years. Industrial needs Factories use a large amount of water every day—as raw material, for cleaning, heating, cooling, generating electricity (e.g., water turbines), etc. The amount of required depends on the kind and size of the factory, and water.
Explanation:
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Q7:
Answer: The liquid form is present in the rivers, lakes, seas, and oceans.