posted by Dillon .
D. _____ has wavelengths between 0.7 and 0.4 millionths of a meter.
D1. What you see as different colors are electromagnetic waves of different ______.
D2. Red ligh has the _____ wavelengths (lowest frequency); blue light has the _____ wavelengths (highest frequency).
E. ______ is higher in frequency and has shorter wavelengths that visible light.
E2. Since ultraviolet radiation can kill cells, it is sometimes used to ____ equipment.
E3. The _____ in Earth's upper atmosphere helps protect the surface by absorbing much of the Sun's ultraviolet radiation.