Q6 of 45 Page 3

State two objectives of rainwater harvesting?

1.It reduces run-off of potable water back into the sea. 2.It prevents water –logging in roads during rainy season.

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4 What were the different methods of traditional rain-water harvesting? 5 Give a short note on Rooftop rainwater harvesting. 7 What are two measures of conservation of water resources? 8 Give four major uses of water.