Out of all the water on Earth, saline water in oceans, seas and saline groundwater make up about 97% of it. Only 2.5-2.75% is fresh water, including 1.75-2% frozen in glaciers, ice and snow, 0.5-0.75% as fresh groundwater and soil moisture, and less than 0.01% of it as surface water in lakes, swamps and rivers.
Salts cannot evaporate hence cannot join the water cycle.
There is no mechanism to transport salts from seas to top of mountains. The snow on top of high mountains is actually frozen freshwater. This was known recently, however this was portrayed in the Quran 1400 years ago. The Quran said that high mountains have freshwater.
Freshwater on mountains.
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