Water is precious, fundamental and the most essential substances required for the existence of life on earth. Water is found naturally, abundantly on our planet earth. About two-thirds of the total earth’s surface is covered with water. It is a transparent, odourless and tasteless inorganic molecule composed of hydrogen and oxygen.
Water cycle is circulation of water through the process of evaporation or condensation as rain or snowfall. Water cycle is like a ring. In nature, the water cycle takes place from sea to land and back to sea again.