The cultivation of plants and the domestication of animals occurred during the ____ period of evolutionary history

Len's grandmother feels she has wasted her life and wishes she had pursued a career as a teacher rather than being a housewife. According to Erikson, Len's grandmother is experiencing:

A. role conflict B. isolation C. stagnation D. despair

Many drugs of abuse produce pleasurable effects by increasing the availability of the neurotransmitter dopamine.

Answer the following statement true (T) or false (F)