Question

Which of the following WWII

advancements allowed submarines to
be tracked during naval battles?
A. OSRD
B. RADAR
C. SONAR
D. USAF

Answer 1

Sonar was developed in WWI to help locate icebergs and submarines

But in WWII scientists futher developed sonars which now helps in oceanlogical advancement and research

Answer 2

C. sonar

Sonar was developed during World War I as an aid in finding both submarines and icebergs. Major improvements were made on this technology during World War II, and eventually scientists adapted the highly sensitive equipment for use in oceanographic research. There are two types of sonar: active and passive