You are walking along a rugged coastline in British Columbia, Canada. As the tide goes out you realize there is a beautiful flat surface that is nearly as smooth as a highway and underlain by 1-2cm of gravel sitting on solid rock
The tide has exposed a .
A) wave-cut platform
B) sea stack
C) tombolo
D) spit

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:

The sun's parallax would be 180 degrees, greater than which you can't get.  so a. would be your anwser 

I'm hella smart but i dont know that