Self cooling cools contentents down through convection.
Because it takes away the heat energy used by it to evaporate. Evaporation its self is a cooling process.
In Case You Are On A Long Journey, And Its A Hot Day, Then You Can Cool Your Self Down!
it's your body trying to cool it's self down
The toy poodle may be panting because it is hot ,and the ground is cool. So to further cool its self off it starts panting. Dogs only have sweat glands on their feet so the tongue is a cooling device for the dog. If it is the Winter, Fall, or Spring; your dog may be scared of something.
with endothermic reaction
Such a cooled rack can be placed in any location where a cool environment is required, rather than having to be located in a environmentally controlled computer room.
they cool themselfs by bathing in cool streams
You just have to be your self.
they poo
People are cool because they belive in their self and dont pretend to be someone they are not
no you dont have to be cool to date because if you wont one just be your self
endothermic