Horace has a mood disorder and has recently sought treatment for it. The therapist explained that his mood disorder stems from not having enough of certain neurotransmitters. From which psychological perspective is this explanation

b) trade is easy because of the direct line between their major ports. bilateral trade reached 89,6 thousand million.

answer; the cats meowing will temporarily increase, but then it will decrease;

answer; reliable;

answer; belief perseverance;