Answer:
C
Explanation:
It has to travel 600 light years before we would be able to observe the explosion.
Answer:
C
Explanation:
Chemical reaction,physical
<span>Velocities are vectors so we can add them!
Let's let +x be East and -x be West.
-0.9 + 2.7 = 1.8
Since our answer is positive that means East so the answer is C.</span>
