Science
Of which body system is the kidney an organ?
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What is a process used by plants to convert light energy into chemical energy?
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What term describes what happens when ice breaks off a main glacier and becomes an iceberg?
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Which Apollo mission was launched on December 21, 1968, and spent Christmas in lunar orbit?
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What is the part of a plant that serves primarily as the plant's food-making organ?
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Which kind of tree is most often struck by lightning?
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What is any picture of an object made with a mirror or lens called?
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What is a machine capable of performing tasks automatically called?
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What type of simple machine is used on a flag and flag pole?
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