Everyday Science
Which disease is respiratory in nature?
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1 BTU (British thermal unit) is equal to___________?
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Pluviometer measures?
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Microorganisms can only be seen with an equipment called ________?
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Wind speed is measured by:
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Matter exists in______ states.
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Halley’s comet is visible after every_________?
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Cascade mountains in
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Which of the following mixture of gases is required in gas welding?
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