Inhalants are chemicals that produce with psychoactive effects.

I believe that inhalants are chemicals that produce vapors with psychoactive effects. They are volatile substances that produce chemical vapors than can be inhaled to induce a psychoactive, or mind-altering, effect. these substances are rarely, taken by any other route other than inhalation. They are of four different categories, Volatile solvents, aerosols, gases and nitrites, based on the forms in which they are found. 

The offspring will be blood type aa, bb, ab and oo or i

Ibelieve the answer is c.