Question
Which risks are involved in both underground mining and surface mining? Select the two correct answers. (1 point)
• methane gas buildup
• ground instability
• respiratory disease
• UV exposure
• high water pressure
• methane gas buildup
• ground instability
• respiratory disease
• UV exposure
• high water pressure
Answers
Answered by
GPT 3.5
• methane gas buildup
• ground instability
• ground instability
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