2006-10-19 16:51:43 · 6 answers · asked by David H 4 in Science & Mathematics ➔ Geography
Salt water is actually a solution (i.e. a solid - salt, dissolved in a liquid - water). Because the two are different chemicals they have different properties, such as how and when they reach the gaseous state (evaporate). Water can evaporate as long as the air is not saturated, whereas salt remains a solid under any atmospheric conditions. Thus the water evaporates into the atmosphere and ultimately comes back down as rain, while the salt remains in the ocean. Many methods of artificial desalinization/water purification also utilize this property of water to separate it from its dissolved materials.
2006-10-20 02:36:18 · answer #1 · answered by stickboy_127 3 · 0⤊ 0⤋
Salt water is sort of converted into fresh water.... natural convection and evaporation caused by both the sun and wind slowly evaporate sea water. The vapor is carried aloft and forms into clouds when it is condensed at a lower relative temperature. How does it stay aloft in the sky? I have no clue. I do know that when the air becomes saturated and at a specific air temperature combined with the proper ground air temp, rain falls. Hope this helps some.
2006-10-19 17:07:15 · answer #2 · answered by Porterhouse 5 · 0⤊ 0⤋
It is essentially distillation. The water evaporates without the salt.
On a hot, dry, sunny day you can leave a dish of salt water out in the sun and later on the water will be gone and the salt crystals will remain.
2006-10-19 17:03:33 · answer #3 · answered by johnlb 3 · 0⤊ 0⤋
Depends on what kind of fish. Salmon live in the ocean but spawn in freshwater. Their hatchlings start life in fresh water then swim back to the ocean. I am not sure what organ allows them to do this (most likely the kidneys) but several species of saltwater fish can do this. I haven't heard of a freshwater fish that spawns in saltwater but there are also fish that live in estuaries where salt and fresh water mix. If you were to take a freshy and throw him in salt or vice versa they would probably die from kidney failure within 10 minutes.
2016-05-22 04:22:33 · answer #4 · answered by Michelle 4 · 0⤊ 0⤋
Evaporation is water, not salt and doesn't require much time . . . just like boiling water, if you capture the steam, it will be just the hydrogen & oxygen.
2006-10-19 17:01:24 · answer #5 · answered by kate 7 · 0⤊ 0⤋
By also a process called desalination.
2006-10-19 22:16:22 · answer #6 · answered by Meera 3 · 0⤊ 0⤋