Science

Earthmen first sent a spacecraft to which planet?

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The Great Red Spot of Jupiter is as wide as how many times as wide as Earth?
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Which characteristics do organisms use to help them survive in their environment?
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What liquid is used as a standard when measuring density?
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What is the distance between two peaks of a wave called?
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What would you use to measure the mass difference between two like objects?
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Which of these things should you do during a thunderstorm?
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What type of simple machine is used on a flag and flag pole?
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How many volts are in a kilovolt (kV)?
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