Everyday Science
Hardest metal is:
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Highest percentage gas in air:
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What is the world’s largest living mammal?
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Which of the following air carries no moisture?
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A sextant is used to measure:
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The velocity of sound is greatest in___________________?
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The planet between Earth and Mercury is:
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Who developed algebra?
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As the temperature of water rises gradually, its surface tension———–.
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