Science

What is matter that doesn't allow light to pass through called?

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What planet in our solar system has the most liquid water on its surface?
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Which term describes flying at six times the speed of sound?
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What are the 4 stages of metamorphosis in insects?
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How many planets are there in the solar system?
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Which of these is a term for slowly falling precipitation?
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A meter is equivalent to how many millimeters?
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What graced the left shoulder of an Apollo astronaut's training suit?
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What is the reproductive organ of most seed-bearing plants?
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