Science
What was the name of the first artificial satellite launched into space?
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What organelles are also known as the powerhouses of the cell?
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Which parts of a flower are often brightly-colored and have many different shapes?
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If you are caught in a sudden heavy rainfall of a showery nature, you are caught in a what?
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In which constellation was the first double star observed?
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What is the world's largest non-profit, scientific and educational organization?
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Which is not one of the four schools of family therapy?
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