Science

Which of these objects is an example of a simple machine?

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If a jet cruises at 575 mph, how far will it go in 12 hours?
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How many tiles make up the outer "skin" of Spaceship Earth, in EPCOT?
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What is a steep-sided circular depression commonly known as?
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What kind of radiation can be described as infrared?
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Which is the notion that living things can come from nonliving things?
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About how many days does it take for the moon to pass through all phases?
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What is the sticky bacteria that forms on teeth and gums?
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What pair of sensory organs are located near the front of an insect's head?
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