Endogenous opiates are
a. Peptides.
b. Amines.
c. Nucleic acids.
d. Carbohydrates.
a
Psychology
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Which researcher developed the categorizaiton scheme for five categories of play varying in social complexity?
a. Parten b. Howes and Matheson c. Rutter d. Rosen
Psychology
The majority of U.S. 18- to 29-year-olds say they __________
A) have sexual intercourse a few times a year or not at all B) do not want to spend the majority of their lives with one sexual partner C) want to settle down with a mutually exclusive lifetime sexual partner D) approve of extramarital sex
Psychology