Don’t ! Click on links potential environmental barriers could help u out but if you gather other information to keep on thinking what to do you will get a final decision
A Fitbit could possibly help. Keeps track of steps and heart rate
I think it's called infectious agent or something close to that.
The maintenance of equilibrium while stationary or moving is termed
A.) Balance
The answer is the first one. It is the most realistic out of the four answers.
Hope this helps!