The weather patterns on earth are shown in this image. explain why there are bands of winds, some moving east and some moving west (i. e., the role of the coriolis effect).

The movement of the winds is determined predominantly by two factors, the movement of the Earth around it's own axis, the rotation, and the movement of the sea/ocean currents. The winds that are more influenced by the Earth's rotation are moving towards west, while the winds that are more influenced by the sea/ocean currents are moving towards east.

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:

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