Why are fishing grounds found where there is cold water
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Fishing grounds are found in the cold water regions because of a special property of water. When the temperature reaches the less than 4 degrees, only the external surface of the water is frozen maintaining the internal surfaces at a comfortable survival temperature. This is because Colder than 4° Celsius (39° Fahrenheit), water begins expanding and becomes less dense as it gets colder. As a result, close to freezing, colder water floats to the top and the warmer water sinks to the bottom.
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i guess the question is wrong and should rather be: why are fishing grounds mostly found on the areas of confluence of cold and warm water.
ans- Rich fishing grounds have developed in the regions where warm and cold currents because a lot of weeds are found in that area where fishes come to feed in large numbers
ans- Rich fishing grounds have developed in the regions where warm and cold currents because a lot of weeds are found in that area where fishes come to feed in large numbers
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