Which of the following is a potential sign of skin cancer that should be checked by a dermatologist as soon as possible 1.) any chances in a mole or birthmark
2.) any red rash following sun exposure
3.) an unexplained bruise on the skin
4.) a bad sunburn that makes skin peel

4 is the answer

Hope it is useful

a bad sunburn that makes skin peel

physical health, mental health, emotional health, social health, and spiritual health

the maintenance of fluid balance during exercise. author information: fluid supplementation is necessary for exercise in which fluid losses must be offset by intake to avoid the negative effects of hypohydration on health and performance.