Select all that apply.

according to the text, a drug is a chemical substance used to:
treat a disease
prevent a disease
diagnose a disease
alter one or more functions of the body.

true you must have an adult in the car

out of the choices i'd say d the ability to set goals, mainly because to desire to continue you need motivation but it isn't motivation in that part, but setting goals means you have an endgame and you want to reach it which sums up motivation.