Select from the following. a). pond ripples. b). pond scum. c). chemical changes. d). heat energy. e). kinetic energy. f). activation energy. g). color changes. h). towels fluffed.
Given those answer options, answer the question: Fact 1: Dropping an object into water causes vibrations in the water. Fact 2: Sound vibrations can be compared to pond ripples. Given the two facts above, dropping an object into water causes what?
A:
a).