Science
What is a return of the electron beam to the top of a television picture tube?
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What is a process used by plants to convert light energy into chemical energy?
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Which star is the brightest star in the northern sky at night?
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What form of energy are we using when we use an alarm clock or a dishwasher?
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What is the reproductive organ of most seed-bearing plants?
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What was the name of the first artificial satellite launched into space?
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Which abbreviation refers to a term that literally means "below red"?
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