Which describes a sound wave?

A)A sound wave travels in a vacuum.
B)A sound wave is a longitudinal wave.
C)A sound wave is an electromagnetic wave.
D)A sound wave has one constant speed.

Astudent wears sunglasses to her read a book more easily which wave interaction occurs as light passes from the air into the plastic lenses? a polarization b. refraction c. diffraction d. interference

Which lists the pairs of plates in order from least to greatest in terms of the work done to move the electron?

A( developed during the process of technology design