Why Seawater is Salty And River Water is Not?

Why-Seawater-is-Salty-And-River-Water-is-Not

The earth, where we live today, 70% of it is made up of water. But of the 70% volume of water on earth, 97.5% is saltwater, and only 2.5% is fresh water that can be consumed by humans. The amount of fresh water on this earth is still mostly in the form of ice sheets … Read more