Science
What is a long balloon filled with helium generally called?
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Besides the V rockets for Germany, what was the most famous rocket that von Braun developed?
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What metal is used for most electrical wire and cable?
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The Sun's mass is approximately how many times as great as Earth's?
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Which parts of a flower are often brightly-colored and have many different shapes?
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What is the name for a tool that makes work easier to do?
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If you are caught in a sudden heavy rainfall of a showery nature, you are caught in a what?
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Colors other than white, black and the pure greys are known as what?
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