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Question 1 of 6
1. Question
Which 3 gases you might find within a mine.
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Question 2 of 6
2. Question
What is the purpose of mine ventilation systems?
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Question 3 of 6
3. Question
Where is Methane most likely to be found in a mine?
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Question 4 of 6
4. Question
What gas is odorless, tasteless, non-toxic, colorless and explosive in the concentration of 5%- 15%?
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Question 5 of 6
5. Question
Where concentrated accumulations of carbon dioxide might ordinarily be found?
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Question 6 of 6
6. Question
What distinctive odor does hydrogen sulfide gas smell like?
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