Question

What happened in the development of sonar directly AFTER the discovery of deep-sea trenches and mid-ocean ridges helped formulate the theory of plate technics?

A. The US Navy began using multibeam sonar.
B. Seabed 2030 produced a map of the entire ocean floor.
C. Sonar caused coral bleaching events.
D. Sonar was used in World War I.

Answers

GPT 3.5
A. The US Navy began using multibeam sonar.