Sounds
A) are waves of compressed air.
B) are detected by mechanoreceptors.
C) may be measured, with respect to their loudness, in decibels.
D) that vary by one decibel can be differentiated by the human ear.
E) include all of these.

Question

Quizplus · Accepted Answer

All of the options mentioned are true statements about sounds. Sounds are waves of compressed air that are detected by mechanoreceptors. The loudness of sounds is measured in decibels, and the human ear can differentiate between sounds that vary by one decibel. Therefore, option E is the correct answer.