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Pramila Pramila
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6 years ago
Which of the following is the LEAST likely to pose a danger to miners in subsurface coal mines?
A) acid burns from acid drainage
B) methane explosions
C) toxic fumes
D) coal dust ignition
E) rock bursts
Textbook 
Environment: The Science Behind the Stories, Canadian Edition

Environment: The Science Behind the Stories, Canadian Edition


Edition: 3rd
Authors:
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euroemyeuroemy
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6 years ago
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Pramila Author
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6 years ago
I appreciate what you did here, answered it right Smiling Face with Open Mouth
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Yesterday
Thanks
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2 hours ago
You make an excellent tutor!
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