Question

1 Light travels fastest in a

2 The space behind an opaque object
where light doesn't reach.
3 Light is a form of
radiation.
4 Materials that only partially allow
light to pass through blurring the
light as it passes.
6 A form of energy that we can see.
8 A bundle of light energy.
9 A mirror that curves inward.
11 The property of light bouncing off
of materials.
12 Materials that do not allow light
to pass through.​

Answer 1

Answer:

1=air

2=

make me brainlist

Answer 2

Answer:

1=air............... ..