During which stage of breast development does mammary gland tissue begin to grow?

A) Adult B) Bud C) Primary D) Secondary

Answer: D

Psychology

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Which statement is NOT true about social changes?

a. Social changes are changes in social patterns. b. Social changes are changes in institutions. c. Social changes may take place at any time. d. Social changes are always planned.

Psychology

The most common known sleep disorder is

a. sleep apnea. b. night terrors. c. insomnia. d. somnambulism.

Psychology