All of the following are true statements about electromagnetic radiation, except
A) it moves at the speed of light.
B) it is often measured in micrometers.
C) its energy is inversely proportional to its amplitude.
D) its energy does not decrease with distance.
Question 2
The peak of the Earth's emission is ________, while the sun's peak is 0.5 microns.
A) 0.1 microns
B) 1 micron
C) 10 microns
D) 100 microns