Everyday Science
During winter in cold countries, the ______ is mixed to melt ice on roads:
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Which disease is respiratory in nature?
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Shooting star is?
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Who invented bifocal eyeglasses?
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Geostationary satellite period is?
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Body frame called?
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How many eyes does a worm have?
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Hepatitis A spreads by?
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The instrument which specially design for recording earth quake wave is called seismograph which measure earthquake waves on a——.
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