Question

Does cold water kept open become warm on a hot summer afternoon why

Answer 1

Cold water does become warm.

My reasoning for that is because cold water sinks, then hot water rises so if you put your hand in the water you will feel the hot water, because it rose up .

Answer 2

cold water kept open because warm on a hot summer afternoon because of the evaporation the cold molecules Get low temperature and hence they Rises UP due to the sun's heat that is why cold water kept open became warm on a hot summer afternoon