Nitrogen makes up how much of Earth’s atmosphere? A. 100%

B. 78%

C. 22%

D. 0%

Which term describes the number of waves that pass a given point in a given time? crest frequency trough wavelength

Which must be kept in mind when determining if an explanation is correct? check all that apply.which must be kept in mind when determining if an explanation is correct? check all that apply.

What drives an advertising campaign?