Question category: 2-WORD SCIENCE TERMS
Question value: 400
(Sarah of the Clue Crew shows parallel lines on the monitor.) These two lines are identical in length, but when opposing arrowheads are added, the bottom line appears to be longer in a classic example of this type of eye trick
Tap or click on "Show Me The Correct Answer!" and you will get the correct answer, or just try to answer without any help.
We are waiting for your answer...
an optical illusion