CTET 2 Math and Science 4 Jan 2022 Paper

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Question : 88 of 150

Marks: +1, -0

Which of the following is an open ended question?

Why do we see only one face of moon from the earth?
Why does the shape of moon change every day?
What happens during a luner ellipse?
What would happen if period of rotation and revolution of moon are different?

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