What is a critical habitat? a. land available for lease or purchase b. land thought to be important to the survival of an endangered or threatened species c. land protected for a museum or aquarium d. a habitat studied by critical thinkers

A critical habitat is a land thought to be important to the survival of an endangered or threatened species.
The correct answer is B.
I hope this helps.

The answer is B. I just took the quiz and that was the correct answer.

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: