1.

Aquatic animals are able to survive in water bodies like rivers and oceans during winter when the atmospheric temperature is `-10^(@)C`. This is becauseA. density of ice is less than water.B. density of water is minimum at `4^(@)C`.C. ice is a poor conductor of heat.D. both 1 and 3.

Answer» Correct Answer - D
Aquatic organisms are able to survive in lakes during winter even though there is ice at the surface because the density of ice is less than that of water, ice is a poor conductor of heat.


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