Why would someone who rides in an ambulance carrying a patient with an airborne communicable disease be considered to have been exposed

This migraine wont go away and i dont feel safe taking any more medicine for the next few hours

Describe in your own words three purposes of human services.

Asubstitute is standing at the halfway line waiting to enter the match at the next stoppage of play the ball has gone over the touchline for throwing and referee allows for the substitution to substitute wants to take the throw-in does the substitute first have to enter the field of play before being allowed to take the throw-in