becouse seawateris in a big place and fresh water can be contain in a cup
http://wiki.answers.com/Q/Why_does_sea_water_freeze_slo...
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Water will not freeze faster if salt is added to it because the salt will allow the water to become super-cooled(lower than water's freezing temperature) which means the solution would have to be cooled farther before it would freeze. ... it will make it freeze slower... ... Water Chemistry in Saltwater & Freshwater Aquariums...
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www.answerbag.com/q_view/111892
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Can water freeze below 0 degree celcius? ... Water Chemistry in Saltwater & Freshwater Aquariums ... Will regular water evaporate faster or slower than different concentrations of salt water?
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www.answerbag.com/q_view/51176
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Because saltwater is denser and heavier than freshwater, ... In their models, a faster warming could shut down the major Atlantic current completely, while a slower warming might only slow the current for a few centuries. ... March 5, 2004: Global warming could plunge North America and Western Europe into a deep freeze,
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science.nasa.gov/headlines/y2004/05mar_arctic.htm
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Before finalizing on a tank size, remember that fish densities are much lower for saltwater than freshwater. That is, you can not put as many fish in a saltwater tank as you can in a freshwater tank. Putting more than 2 saltwater fish in 10 gallon tank is asking for trouble.
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www.fishdomain.com/article_beginningsaltwater.shtml
www.fishdomain.com/article_beginningsaltwater.shtml
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Saltwater ice is formed far slower than freshwater ice and only under prolonged low temperatures. The tides and currents slow the process and the saline content of the water reduces the freezing point. Thus, the more brackish and less exposed coves freeze first.
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www.providenceri.com/history/n-bay-winds-tides.html
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Saltwater ice is formed far slower than freshwater ice and only under prolonged low temperatures. The tides and currents slow the process and the saline content of the water reduces the freezing point. Thus, the more brackish and less exposed coves freeze first.
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www.providenceri.com/NarragansettBay/winds_and_tides.ht...
www.providenceri.com/NarragansettBay/winds_and_tides.html
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Saltwater has a much lower freezing point (the freezing point is the temperature where something freezes) than freshwater does. And the more salt there is in it, the lower the freezing point gets. So in order to know the exact temperature that it’s going to freeze, you have to know just how salty it is.
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martinz.wordpress.com/2006/02/04/freezing-point-of-salt...
martinz.wordpress.com/2006/02/04/freezing-point-of-salt-water/
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Will an object float in saltwater and freshwater in the same way? ... These slower-moving water molecules are more easily captured by the ice, and freezing occurs at a greater rate than melting. ... Discuss why oceans tend to freeze at a lower temperature than freshwater bodies of water.
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aquarius.nasa.gov/sea_water_freeze.html
aquarius.nasa.gov/sea_water_freeze.html
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