The earth is surrounded by oceans. According to a research, about 70 percent of the earth is covered with water. But most of these are salty, which is not fit for drinking. We all drink water by extracting it from underground. That means we use groundwater. But this too is ending very fast. It is being said that the earth is drying up. One day all the water will be exhausted. But is it really so? How much water is there inside the earth? Scientists have told about this. Is…
Read MoreHow much water is there inside the earth? Scientists said, water crisis is about to end!
