D. Smallpox is your answer
<span>Communicable disease refers to any infectious
illness that is transferable from one person to another by direct or indirect
contact in terms of bodily discharge or aided by a vector (a parasite which
transmits disease). The term is synonymously used with contagious disease. </span>
Mental illness itself occurs from the interaction of multiple genes and other factors -- such as stress, abuse, or a traumatic event -- which can influence, or trigger, an illness in a person who has an inherited susceptibility to it.
Answer:
Behavior therapy.
Explanation:
Behavior therapy may be defined as the therapy refers to the clinical psycotherapy that uses the technique derived from the behaviorism. This theory was developed by Edward Thorndike.
Cognitive behavioral therapy includes behavioral psychotherapy and cognitive psychotherapy. This therapy can be used to treat the individual's behavior against a particular thinking. The behavior and attitude of the individual can be improved by behavior therapy.
Thus, the correct answer is option (9).
