Which factor has little influence pubertal timing?

A. physical stress
B. body mass index
C. absence of a biological father
D. number of siblings

Answer: D

Psychology

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Postpartum depression has been recently renamed:

a. Mood disorder b. Major depressive disorder c. Mother-specific depression d. Perinatal depression

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An object will appear closer if its surface is

a. smooth. b. coarse. c. convergent. d. partially blocked by another object. e. interposed.

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