Question 1 What are the two main techniques of rainwater harvesting? Question 2 How is rain useful to us? Question 3 Why is it essential to conserve water?What are the various ways in which you can conserve water? Question 4 What is meant by rainwater harvesting? Question 5 Describe methods of rain water harvesting ? Question 6 Why ocean water is not fit for … [Read more...] about Conservation of Water