Decibels are used to measure ________

It is 1967, and Reggie is a teenager who likes listening to the music of Jimi Hendrix. Reggie says, "Jimi is totally groovy, man." Reggie's phrase is an example of

a. image. b. demeanor. c. argot. d. posture.

Sibling relationships are more likely to be harmonious when siblings

a. have different interests. c. are emotional. b. are young children rather than adolescents. d. are of the same sex.