The Answer is C. the distance light travels in a year
did you tried first if you did I can help
Answer:
the Arrow X shows the direction of amplitude
Explanation:
As the amplitude is the maximum displacement of a wave from the mean position
In space there is. Items such as a supernova will instantly end your life.
Answer: It prevents us from seeing most of the galactic disk with visible and ultraviolet light.
(hope this helps) :)