If you are over 10 get it out of your head lol
I’m pretty sure it is d, she is not thinking right
You can get an X-Ray, see a chiropractor, etc.
D.
This is because if you’re in high air polluted areas your lungs could be affected.
If you exercise in heat you’re more likely to have a heat stroke or pass out, which are both dangerous.
If equipment is made for something specific, using it wrong could result in physical injury.