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Question: human bodies feel colder in water at a temperature 20...

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Human bodies feel colder in water at a temperature 20 C than they do in air at 20 C because

The dominant mode of heat transfer between your body and the water is convection which is more rapid than the dominant mode of heat transfer between your body and the air, which is conduction.

The dominant mode of heat transfer between your body and the air is radiation which is more rapid than the dominant mode of heat transfer between your body and the water, which is conduction.

The dominant mode of heat transfer between your body and the water is conduction which is less rapid than the dominant mode of heat transfer between your body and the air, which is convection.

The dominant mode of heat transfer between your body and the air is radiation which is less rapid than the dominant mode of heat transfer between your body and the water, which is conduction.

2

According to the perfect gas Laws, for a perfect gas kept at constant temperature ...

The pressure and density cannot change

The pressure can increase only if the density increases

The pressure can increase only if the density decreases

The pressure can be increased independently of the density

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