Dermatology = Study of the skin.
There are many skin surgeries but the basic name I believe is dermoplasty or dermatoplasty.
I believe the answer would be C! because Junk food is bad for you, everybody knows that, it has more calories, no nutrients, more fat. So I say its C! I hope I helped!
Heat Cramps, since the sharp pains in his legs are cramps caused by the amount of time spent in the sun, and also from the heat, he is perspiring, which is making him dehydrated. You cramp when you're dehydratedz