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.
Answer:
Their composition
Explanation:
Colluvium deposits will contain cobble sized deposits ranging from sand to rocks of different types while the alluvium deposits are uniform deposits of cobble sized sand
Answer:
The heat equation can be written as. ∂ u ∂ t = α ∇ 2 u. where u(x, y, t) is the temperature field that varies in space and time, and α is the thermal diffusivity constant.
Answer:
Weightlessness.
A breakdown in the Universe as objects would move out of their orbits.
Muscle athropy and osteoporosis
Explanation:
All objects would move freely in space and also on earth. Due to this loss of mass, the human body's bones and muscles will have no weight on them hence leading to them shrinking. On a larger scale there will be no orbits to hold planets and other celestial bodies in place.
Answer:
Algiers, Algeria receives the most rainfall
