Displacement is your answer :)
Answer:
Radio waves have frequencies as high as 300 gigahertz(GHz)to as low as 30 hertz(Hz).At 300 GHz the corresponding wavelength is 1mm and at 30Hz is 10,000 km
"Maritime" air . . . . . always high relative humidity
"Polar" air . . . . . always cold
"Maritime polar" air . . . . . choice-A
light, water, carbon dioxide
Explanation:
c02 , h20 and light
