What would happen if the Earth had no atmosphere?
A. Very hot days and very cold nights
B. Very cold days and very hot nights
C. Earth would not have days
D. Earth would not have nights

Diffraction is when light is bent around obstructions. which of the these observation about clouds would indicate diffraction? a) after rain storms, you can sometimes see rainbows. b) clouds are white or gray and cannot be seen through. c) on a cloudy day, the temperature tends to be cooler than a sunny day. d) the edges of dark clouds appear lighter. this