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.
From the box plot shown we see that:
The median of Liam's data is 10, the range is (20-4)=16
The median of Sumat's data is 14, the range is (22-3)=19
The correct answer will therefore be:
C. The range of Liam's data set is 16
The correct answer is housing
Answer:
A high plateau encircled by mountains are called altiplanos
Explanation: