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.
Islam first originated in Mecca in the 7th century.
Start investing money so when they take their money out of the account their
income will be a lot higher then when it started<span />
I think the answer is B.
hope this helps x
