Ibadan........................
Increase extremist groups because the more people ten the most that happens
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.
I think your answer would be b.
The number of tie downs you need depends on the length and weight of the cargo you are transporting. Federal Motor Carrier Safety Administration (FMCSA) rules state: Use one tie-down if your cargo: Is shorter than 5 feet and weighs less than 1,100 pounds.