Concept:Cosmetics are meant for appearance enhancement, not for producing psychoactive effects, so they have little abuse potential.
Explanation:The question asks which item cannot be easily abused.
Stimulants increase activity in the body and brain, and they are highly prone to abuse.
Tobacco contains nicotine, which is addictive and commonly abused.
Narcotics are strong pain-relieving drugs with a high potential for abuse and addiction.
Cosmetics, however, are used for cleansing, beautifying, or altering appearance.
They do not cause the mood-altering or addictive effects linked to substance abuse.
Therefore, cosmetics are the option that cannot be easily abused.
Answer:A. cosmetics