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.
A.it is no longer part of modern India
<span>The correct answer for the question that is being presented above is this one: "D. Tundra." This ecosystem is common in eastern and northern Siberia. Flora include mosses, summer flowers, and small shrubs. Animals include wolves, reindeer, foxes, and rabbits. The ecosystems that is described in the paragraph above is the tundra.</span>
