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.
<span>had a population of 249.9 million in 2013
and
</span>1,904,569 km2<span> </span>
Answer: c. Over the span of 10 to 1,000 years, groundwater behaves as a renewable resource.
Explanation:
Answer: this could affect trade by blocking the trade route and slowing down the trade. Russia could work on a different type of transportation source for the traders to pass through
Explanation: btw ur pfp is amazing XD
