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Which 3 gases you might find within a mine.CorrectIncorrect
What is the purpose of mine ventilation systems?CorrectIncorrect
Where is Methane most likely to be found in a mine?CorrectIncorrect
What gas is odorless, tasteless, non-toxic, colorless and explosive in the concentration of 5%- 15%?CorrectIncorrect
Where concentrated accumulations of carbon dioxide might ordinarily be found?CorrectIncorrect
What distinctive odor does hydrogen sulfide gas smell like?CorrectIncorrect