Vibrations in air can be used for what by animals?
activation energy communication Something to move sleeping sustenance Heart rate food and shelter tasting
A B C D E F G H
Sounds are vibrations in air.
Vibrations in air can be used for communication by animals
Vibrations in air can be used for what by animals? (A) activation energy (B) communication (C) Something to move (D) sleeping (E) sustenance (F) Heart rate (G) food and shelter (H) tasting