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प्रश्न
If, at some place, it did not rain for a very long period of time, what would be its effect on the life of the people there?
उत्तर
If a particular place does not get enough rain for a long period of time, then there would be a scarcity of water. If water is not available, farming cannot be done. Crops will not grow. People might have to migrate in search of food and water. Cattle would also die due to a lack of food and water. This complete area will be under drought.
संबंधित प्रश्न
State the importance of water cycle in nature.
The solubility of a gas in water.............. with rise in temperature and.......................with rise in pressure.
Answer in your own words.
Why is there a shortage of water even though it occupies about 71% of the earth’s surface?
Name the solute, solvent & solution in the statement – ‘sodium chloride dissolves in water to give sodium chloride solution’. Define each of the terms in italics.
State the meaning of the term ‘water pollution’. State how you would find out, the different sources of pollution of water bodies in the locality.
What is meant by the term ‘offshore drilling’. State the main environmental effects of offshore drilling.
Match the terms in List I with the correct answers in List II.
| List I | List II |
| 1. Solubility in a given solvent decreases with an increase in temperature. | A: Na2SO4.10H2O |
| 2. A white efflorescent crystal | B: NaOH |
| 3. A hygroscopic dehydrating agent | C: Ca(HCO3)2 |
| 4. A deliquescent alkali | D: conc. H2SO4 |
| 5. A substance present in temporary hard water | E: CaSO4 |
On which of the following day is World Water Day observed?
Water polluted by various human activities causes a number of water-borne diseases. Which of the following is not a waterborne disease?
In which of the following activities will you use minimum amount of water?
