Which features do sound waves have that ocean and light waves do not? Choose all that apply.
compression,
rarefaction,
amplitude,
wavelength,
crests,
frequency,
speed

What do radio waves and microwaves have in common? both are at the side of the spectrum that has the shortest wavelengths. both are at the side of the spectrum that has the lowest radiant energy. both are at the side of the spectrum that has the lowest frequency. both are found next to visible light on the electromagnetic spectrum.

Imagine you are standing in the antarctic during the southern hemisphere summer. the sky is clear and blue. there are no clouds in the sky. your shadow is cast on the icy ground. what is the color of the shadow?

Acar travels 40m in 8 seconds find the car speed