The extent of the continental shelf,an underwater extension of the continental crust,varies due to fluctuations in sea level.When sea level is higher,the continental shelf
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 levels are higher, more of the continental land is submerged, thus resulting in a wider continental shelf. Conversely, when sea levels are lower, less of the continental land is submerged, resulting in a narrower continental shelf.

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