Science
What was the name of the first artificial satellite launched into space?
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What pair of sensory organs are located near the front of an insect's head?
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What is matter that allows light to pass through called?
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What is the female reproductive cell of flowering plants?
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What makes up about 70 percent of most living things?
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The science term "precipitation" is best defined as which of these?
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The modern equivalent of Aristotle's polis is an independent unit called what?
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What process refers to the joining of pollen with an ovule to form a seed?
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