Author Question: The fact that you can see stars in the nighttime sky is evidence that A) our atmosphere is ... (Read 77 times)

jman1234 · **on:** Jul 29, 2018

The fact that you can see stars in the nighttime sky is evidence that

A) our atmosphere is transparent to visible light.
B) light can travel in a vacuum.
C) both of these
D) neither of these

Question 2

Sunburns are produced by

A) infrared light.
B) visible light.
C) ultraviolet light.
D) all of the above
E) none of the above