Answer is C- The social life is as important as the athletic aspect in most masters.
1. B. Very low internal body temperature cause by cold temperatures.
2. C. Heat stroke
3. A. apply sunscreen
4. B. To inhibit oxygen supply through the body.
5. D. Stay hydrated with cool fluids
Hope it helps!
Cancer can't be prevented but it can reduce the risk of getting it by drinking water, not using, tobacco, and eating healthy.