Judge the following sentence according to the criteria given below: The Hawaiian Islands are safe from tropical cyclones because they are islands near the center of a large ocean. A. The assertion and the reason are both correct, and the reason is valid. B. The assertion and the reason are both correct, but the reason is invalid. C. The assertion is correct, but the reason is incorrect. D. The assertion is incorrect, but the reason is correct.

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:

2. x2 + 8x + 12 = 0 to prove: x = -6 or x = -2