An immune disorder in which the airways constrict and become clogged with mucus is
a. asthma.
b. an allergic reaction.
c. influenza.
d. none of the above

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.

true. these things define the personality of the person.