You probably already took this but if anyone wanted to know the answer it's D. "A system where matter and energy cannot enter or leave the system".
(I also took the quiz for it and got it correct)
The bending occurs because light travels more slowly in a denser medium.
Answer:
this question is very lengthy and even nit at all understandable so pls can u explain it in breif
<span>c. an open area of space around a vehicle.
Hope this helps, have a great day/night ahead!</span>