What makes the water stay on the surface? Why the earth does not absorb the water in it?
Water is involved in the photosynthesis. How much water are we talking about compared with the total amount on water on Earth? Is it enough to have an effect on the average age of water molecules?
Why is sometime it raining heavily but in a short time but in other time not so heavy but long? [closed]
Don't they pour down just the same amount of water at the end of the day? I mean in the tropical countries.