It all comes down to a thing called the water cycle. Rain, which is fresh water, falls from clouds onto the land and finds its way into lakes and rivers, and also through the ground, back to the sea, picking up salts and minerals as it goes. Once it reaches the sea, the water can be evaporated again to form new clouds containing fresh water, and the salt is left behind, so over millions of years the oceans have slowly been accumulating salt washed off the land by fresh water. So is the sea becoming more salty ? Probably not because if the level of salt rises any further the extra is removed by various processes, including chemical reactions, so the sea is now about as salty as it is going to get. That’s not to say you can’t get saltier seas – like the Dead Sea – these are just bodies of water cut off from the main ocean and in which more water is evaporating than being returned by rivers, so the water becomes more concentrated.
2007-09-09 16:05:47
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answer #1
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answered by wajiha z 1
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as streams and rivers run their paths to the ocean they pick up salt from the minerals in the stream and river beds and carry it to the sea. when the ocean water evaporates it leaves the salt behind as it returns back to the mountains to fall as rain or sleet or snow and flows back to the ocean again.
After millions of years of this the oceans became salty. the Great Salt Lake in Utah became like this too because it is a basin with no path to the sea or ocean
2007-09-09 16:03:36
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answer #2
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answered by Tommiecat 7
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Ocean get extra Watter inputs that pull countless sediments, that at last grow to be in Salt purely. lakes Get in 2 approaches river end and subearth manantials, the two are clean water or the sediments that River Pull are no longer that super. animals interest (advance , reproduce, consume, dying) there (thousands and thousands of years), On Rivers that water is taked away
2016-12-13 04:44:46
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answer #3
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answered by walpole 4
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plz choose me as the best answer cuz i need thhe 10 points so urgent n when you answer a question of mine im gonna choose u as the best too.
2007-09-09 22:16:18
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answer #4
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answered by Anonymous
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Lazer, you didn't provide an answer that I can see, just your supplication.
2015-09-26 16:32:23
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answer #5
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answered by roadflea2000 1
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