state the uses of water resources
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It is estimated that 70% of worldwide water is used for irrigation, with 15-35% of irrigation withdrawals being unsustainable.[6] It takes around 2,000 - 3,000 litres of water to produce enough food to satisfy one person's daily dietary need.[7] This is a considerable amount, when compared to that required for drinking, which is between two and five litres. To produce food for the now over 7 billion people who inhabit the planet today requires the water that would fill a canal ten metres deep, 100 metres wide and 2100 kilometres long.
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cleaning
washing
drinking
watering plants
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