Science
What is a return of the electron beam to the top of a television picture tube?
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How far does a car moving at 60 miles per hour cover in one second?
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What is the name of an instrument that records vibrations in the Earth's crust?
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What pair of sensory organs are located near the front of an insect's head?
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With 11,674 steps, where is the longest flight of stairs located?
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About how many years does it take for Pluto to go around the Sun for a complete revolution?
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John Glenn was the first American to orbit the earth, in how long a flight?
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