The extent of the continental shelf,an underwater extension of continental crust from shoreline to basin,varies due to fluctuations in sea level.When sea level is lower,the continental shelf is
A)is narrow because less of the continental shelf is exposed.
B)is narrow because less of the continental shelf is submerged.
C)wider because some of the continental land would be submerged.

Question

Quizplus · Accepted Answer

When sea level is lower, less water covers the continental shelf, making it narrower. However, the amount of continental crust exposed does not necessarily change.

The Extent of the Continental Shelf,an Underwater Extension of Continental