Science
What type of simple machine is used on a flag and flag pole?
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Diabetes develops as the result of a problem with which specific organ in the body?
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What is the study of stars, planets and galaxies called?
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The Great Red Spot of Jupiter is as wide as how many times as wide as Earth?
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Which Apollo mission was launched on December 21, 1968, and spent Christmas in lunar orbit?
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Which Pioneer spacecraft first visited the planet Saturn?
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How many astronauts walked on the moon before 1970?
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