Self harm is a very unhealthy way to deal with stress, anxiety, and any other type of unusual situation. It can be very dangerous to your health and leave permanent damage on your body and soul. If you know anyone who is self harming be sure to tell an adult and be as supportive as you can. You never know what someone might be going through! :)
I think the answer is c
Hope this helps :)
You can cool down by sweating, wearing light and breathable fabric such as cotton rather than something heavier, and slow down your metabolism
The answer is D according to the OSHA rules and regulations