Which scientific phenomenon helps scientists determine the chemical composition of some stars? A.
absorption of light in a star’s atmosphere
B.
dispersion of light as it enters Earth’s atmosphere
C.
reflection of light
D.
refraction of light

what is the average time it took the car to travel 0.25 meters?

⇒ 2.23 seconds

what is the average time it took the car to travel 0.50 meters?

⇒ 3.13 seconds

the correct answer would be b. amelia, because the particals of gas move really fast (charged particals) and gas also has a lot of room (particals move independently) so the only answer that has both of those is amelia's.