Addictive substances and behaviors

a. have the potential to produce a positive mood change.

b. eventually, lose their hold on a person over time.

c. do not necessarily have negative consequences.

d. involve some type of substance abuse.

d. involve some type of substance abuse.

Explanation:

Addiction, which is a dependence on a particular substances leading to irrational behaviour when not taken. This addiction which is caused by substances are commonly refeered to as addictive subtances.

An example is a cigarette and coffee. These two substances would look normal when someone start to consume it initially but would turn to addcition over a given period of time. This would lead to substance abuse on the long run.