for a wave of the wavelength is smaller than then number of waves that pass a point in a given amount of time

Which is not a step in the rock cycle?

What will a positive and a negative charge do if they are separated from each other?

Assume that a person skiing high in the mountains at an altitude of h = 15100 ft takes in the same volume of air with each breath as she does while walking at sea level. determine the ratio of the mass of oxygen inhaled for each breath at this high altitude compared to that at sea level. assume that the air composition (i.e. % of air that is oxygen) is the same at sea level as it is at 15100 ft.