1 In recent years, the U.S. has seen a number of winter storms that have caused surprisâ¦. 2  The Periodic Table of Elements Life is sustained by a number of chemical elements. 3  They are responsible for the birth of planets and the evolution of cells to complex organisms.
Water distribution on Earth - Distribution of saline and fresh water. 1  The total volume of water on Earth is estimated at 1.386 billion kmÂ³ (333 million cubic miles), with 97.5% being salt water and 2.5% being fresh water. 2  The total volume of water in rivers is estimated at 2,120 kmÂ³ (510 cubic miles), or 2% of the surface fresh water on Earth.
About 70% of the Earth is covered with water. The salt in that water would build a 180 mile high, 1 mile thick wall around the equator according to the Windows to the Universe website. There are other salts dissolved in sea water, with ordinary sodium chloride constituting about 90% of the dissolved salt. The table at left is given by the Windows on the Universe website. It is not clear how you reach charge neutrality with these numbers.