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6 Cards in this Set
- Front
- Back
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Which of the moons around Jupiter identified by Galileo has a rocky surface?
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Callisto
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Where is most of the world's fresh water located?
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underground
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A delta is a formation built up by what?
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river sediments
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What does an ichthyologist study?
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fish species
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What is the process responsible for the energy that stars release?
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fusion
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What can a spectroscope directly tell us about a star?
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composition
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