Question

1)Suggest why after swimming and while you are still wet your body feel cool
2)suggest why at room temperature dry ice dissapears without leaving any trace

Answer 1

1) when we go for swim we remove our cloths as we are wet with cold water and we do not wear cloths so feeling clod

Answer 2

a)this is because of Evaporaton. When you come out of a pool , there is water on your body which gets evaporated. Evaporation of water makes you feel cool the same way like sweat makes you feel cooler when it evaporates
b) i think bcz of sublimation