A large volume of air that has nearly the same temperature and humidity at different locations at the same altitude is called the Air Mass. Air mass covers hundreds or thousands of square miles and adapt to the characteristics of the surface below them at the same time they are also classified according to latitude and their continental or maritime source regions.
New England is a geographical region comprising six states of the northeastern United States: ... The physical geography of New England is diverse for such a small area. ... incorporated municipalities known as towns, many of which are governed by ..... The U.S. Census Bureau groups Fairfield, New Haven and Litchfield
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The slopes of most cinder cones are usually about 30 degrees because that is the angle of repose, which is the slope at which the loose cinder can stand in equilibrium.
The cinder cones vary significantly in height, from just a few meters of height to few hundred meters.
They are numerous around any volcano, and lava can come out of them or may flow below them.