Science

What is the opening of a lens, which controls the amount of light?

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Pressure exerted by the atmosphere at a given point is known as what?
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What is a giant crack in a rock called?
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Which college features the Dooley Planetarium?
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Who was the space walking astronaut on Gemini 10?
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What body process helps keep you cool?
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Of which body system is the kidney an organ?
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To which part of physics does the Archimedes' Principle refer?
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Where is the great dark spot located?
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