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What part of the moon's surface can be visible from the earth?

A. 1.59

B. 1.41

C. 0.5

D. 1/3rd

Please do not use chat terms. Example: avoid using "grt" instead of "great".

You can do it
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  14. What is the distance around the earth at the Equator?
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  17. The permanent tilt of the Earth's axis and the revolution of the Earth in its orbit together cause
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  19. How many planets does our Solar System consist of?
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