Water — The Elixir of Life

A 6-Lesson Foundation Course by UPSC ZONE AI When you think of water, images of river currents, falling rain, and ocean waves come to mind. Water is continuously changing its form, circulating between the oceans, atmosphere, and land in a continuous movement known as the water cycle. Our Earth is like a terrarium: the water that existed hundreds of years ago still exists today. This chapter guides us through the distribution of water on Earth, the vast salinity of oceans, and the dynamic movements of ocean water through waves, tides, and currents.