Science
What do our bodies need from the air we breathe?
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Which planet is the impact crater named the "Caloris Basin" found?
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What graced the left shoulder of an Apollo astronaut's training suit?
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What tool do people at sea use to measure distance with echoes?
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What type of circulatory system pumps blood into cavities instead of through vessels?
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Approximately how many miles of wire are there in a 737?
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What form of energy are we using when we use an alarm clock or a dishwasher?
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