Everyday Science
Gas used in balloons?
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Which two primary colors are mixed to make purple color?
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Sense of time is due to ——–.
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Two most common elements in the Earth’s crust are:
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During winter in cold countries, the ______ is mixed to melt ice on roads:
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Human heart comprises how many chambers?
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Select the arrangement of electromagnetic radiation which starts with the lowest energy and increases to greatest energy?
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Electric Generator is a device that converts:
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Spectroscope measures _________
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