Why can't you float in freshwater?
Why can't you float in freshwater? The reason for this is that sea water is denser than fresh water. The salt combines with the water molecules, giving sea water more matter per cubic inch than fresh water when the same volume of water is compared. Therefore, your body will float more easily in the sea.
How did the Dead Sea get so salty?
Why is the Dead Sea so salty? Much of the salt content of the Dead Sea comes from the rocks eroding on the shores. The shores are made up of rock salt and other rocks with a high mineral content. As the rocks and the salt erodes from the shores the stuff that makes up the rocks ends up in the water.
What is the saltiest place on earth?
Antarctica has the honors of having the saltiest body of water. It is actually more of an ankle deep pond most of the year, but its average salinity is a whopping 40%. Don Juan Pond is located along the edge of the continent in the McMurdo Dry Valley region.