A great boost in sea-floor exploration and a greater understanding of sea-floor bathymetry were a result of _______________.
A) scientific advances in the 1950s
B) scientific advances in the 1920s
C) military needs in World War I
D) military needs in World War II

Question

Quizplus · Accepted Answer

Military needs in World War II led to the development of sonar technology, which allowed for more accurate mapping of the ocean floor. This also led to the discovery of mid-ocean ridges and the theory of plate tectonics.

A Great Boost in Sea-Floor Exploration and a Greater Understanding