This does not occur in the winter however. I've also accounted for a high pressure ridge between lows. This is most probably the warm sector associated with a depression. This occurs even in winter but may not have distinct fronts associated with it. During the Bangladesh war of independence in1971 the city suffered a heavy damage.
Permeability is the ease with which liquids pass through rocks or a layer of soil.
Overpopulation is where too many people are living in an area for the available resources, resulting in a low standard of living. You could try our online dictionary. It should be virtually finished but still in draft form. Mr. Steers class will hand theirs in on the first lesson back. You can draw them yourself although good street maps are available from most Estate Agents.