Ahuge body of air that has similar temperature, humidity, and air pressure at a given height is called a(n)

A huge body of air that has similar temperature, humidity, and air pressure at any given height is called an Air Mass. There are 2 kinds of Air Masses which are classified according to Temperature and Humidity : a) The Tropical (warm air masses) form in the tropics and have LOW air pressure. b) Polar (cold air masses) form north of 50° N or south of 50° S. and have HIGH air pressure.

The investiture controversy began as a power struggle between pope gregory vii (1072–85) and henry iv, holy roman emperor (1056–1106).[2] a brief but significant struggle over investiture also occurred between henry i of england and pope paschal ii in the years 1103 to 1107, and the issue played a minor role in the struggles between church and state in france, as well.by undercutting the imperial power established by the salian emperors, the controversy led to nearly 50 years of civil war in germany, and the triumph of the great dukes and abbots. imperial power was finally re-established under the hohenstaufen dynasty. historian norman cantor: