Parents who nurture their children have an evolutionary advantage

The force with which air molecules move determines _____, which is measured in units of _____ as _____

a) loudness; decibels; amplitude. b) frequency; hertz; timbre. c) timbre; vibrations; amplitude. d) saturation; frequencies; hertz.

What is the first agent of socialization?

A) the media B) the peer group C) the family D) the educational system