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What was the first sound-recording device called?
Science
What was the first sound-recording device called?
Telegraph
Telephone
Phonograph
Photograph
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The Horsehead Nebula can be found in what constellation?
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What branching nerve fibers receive messages?
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The term "falls" is best defined as what?
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Which is the organelle involved with waste removal?
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What is a machine capable of performing tasks automatically called?
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What is the ripened ovary of a flower better known as?
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Which is also called the "Root of Life" or "Man Root"?
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Which of the following happens when air cools?
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