What behavior of waves explains why someone can be looking away from you while talking and you still hear them?

Which safety measures should you follow during a thunderstorm? check all that apply. (a) avoid touching anything that conducts electricity. (b) avoid touching a person who has been struck by lightning. (c) go outside. (d) keep your computer turned off. (e) stay out of water. (f) stay inside.

The amount of potential energy possessed by an elevated object is equal to what?

Awave has a wavelength of 7 mm and a frequency of 19 hertz. what is its speed?