Ateam of scientists is studying a volcanic hot spring. which task would the physical scientist most likely do? . a. find out where the hot water is coming from. b. study the effects of the hot spring on humans. c. study the organisms that live in the hot spring. d. find out what elements are in the spring water.

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: