2. Answer the following questions in about 30 words. (i) Explain how water becomes a renewable resource. (ii) What is water scarcity and what are its main causes? (iii) Compare the advantages and disadvantages of multi-purpose river projects
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The water that disappears from the earth surface gets renewed through the processes of evaporation, condensation and precipitation, over and over again. ... The circulation of water through the hydrological cycle makes water a renewable resource. However, water is becoming scarce due to the increase in world population.
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Ocean water is renewable resource while fresh water in non renewable
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