Remember homeostatsis is when an organism's body tries to maintain adequate body temperature.This is done through the method of cooling.Furthermore ,in humans we sweat in order to achieve this cooling effect .that being said the only one here that would make sense is C)A dog panting after a long walk on a hot July day.The reason this answer would be correct is becausethis is a dog's method of cooling ,as they don't have sweat glands .Therefore they pant to maintain homeostasis.