Everyday Science
Which of the following mixture of gases is required in gas welding?
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Bamboo is a__________?
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What are the celestial bodies Ceres, Pallas, Juno and Vesta?
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On November 08, —— became the first Chinese woman to walk in space:
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Which gas was commonly used in airships?
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Which of the following gas is used in soft drinks?
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Nephrons in each kidney _________?
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The deficiency of vitamin K causes ________ ?
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Folate vitamin?
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