Answer:
Refusal strategies can be used.
B. Red blood cells contain a protein that binds with oxygen.
I would say it is c because running taks away energy
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.