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InterviewSolution
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Water has some unique physical ‘and chemical properties seen in other substances. Which are essential for supporting life’s existence. What are they? |
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Answer» 1. Water requires considerable amount of energy to get heated up and also to get converted from a liquid state into a gaseous state. On a very hot day, water bodies help maintain atmosphere temperature cool by absorbing heat from the sun. When the sun” sets. The heat which water has absorbed is returned to the atmosphere, as water evaporates. Such a regulation is crucial for the survival of living organisms. 2. Water has a high resistance to sudden changes in temperature and this feature makes water an excellent habitat for most organisms. 3. At 4° water can expand on cooling or heating this feature ensures that all the, water in a water body will be close to 0° c before any freezing can occur. 4. The high surface tension of water and its tendency to expand on freezing helps in weathering of rocks. 1 ending to soil formation. |
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