Question

I NEED SOME HELP PLEASE

Answer 1

Now I may not be right however from 6th grade science class they told me it was A) empty space moving 300.00 kilometers per second and slows down in water to 225.000 kilometers per second and 200.000 kilometers per second so your answer should be A. I didn’t include C. Because I can’t tell you how fast light moves through that one.

Answer 2

A. Empty space because nothing is blocking it