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Why is the water at the bottom of a pond cooler than the water at the surface of the pond during summer?
The sun heats the water surface. The water at the bottom of the pond stays cool relatively as the heat from the sun's rays does not reach it and heat it as it heats the surface. Also, warm water has a lighter density than cold water so the warmer water floats on the surface of the colder water below the surface of the water and at the bottom of the pond.
Updated on: 10-Oct-2022
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