Identify the statement that is true about coal-bed fires.
2 answers:
Answer:
The correct answer is B. They cannot start from spontaneous combustion; an "outside event" is necessary
Explanation:
Coal bed fires cannot start from spontaneous combustion; an "outside event" is necessary
Answer:
A. They are extremely difficult to extinguish because fuel obviously is abundant and oxygen can enter easily, even through joints in surrounding rock.
Explanation:
Coal bed fires refers to spontaneous combustion which are triggered by human activity (mining), lightning, wildfires etc.
This usually happen underground when the coal beds are exposed to oxygen as a result of mining activities or human induced fires or combustion.
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<span>(B) democratic
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Answer:
c. results from industrial activity
Explanation:
Ocean and freshwater contamination results from industrial activity.
<span>True.............................</span>
B. Accidental spills at extraction sites and during transport.
Answer:
San Francisco, or San Jose
Explanation:
Mostly San Francisco
