Q. While watching 3D movies at the theater, we have to wear special glasses because?
A) 3-D movies use special colors which cannot be sensed by the human eye
B) The glasses allow our left and right eyes to see different images
C) The glasses allow both the eyes to see similar images
D) 3-D movies are brighter than ordinary movies and can hurt our eyes if seen directly
โ Correct Answer: The glasses allow our left and right eyes to see different images
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