This is a quiz of how you were paying attention.
A) spread light rays out
B) bring light rays together
C) make light rays shine
D) make light rays visable
A) up close
B) faraway
C) both
D) none of the above
A) spread light rays out
B) bring light rays
C) make light rays shine
D) make light rays visable
A) faraway
B) upclose
C) both
D)none of the above
A)thicker and spread out in the middle
B) thinner and put together in the middle
C) thinner and spread out in the middle
D) thicker and put together in the middle
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