Mona’s grandfather was a famous oceanographer in the 1960s and 1970s. Which of the following methods did he MOST likely use to map the sea floor?

(1 point)
Responses

multibeam sonar, which is still used today with GPS tracking

multibeam sonar, which is still used today with GPS tracking

multibeam sonar, which can map areas up to several hundred kilometers

multibeam sonar, which can map areas up to several hundred kilometers

side-scan sonar, which is still used today with GPS tracking

side-scan sonar, which is still used today with GPS tracking

side-scan sonar, which can map areas up to several hundred kilometers

multibeam sonar, which can map areas up to several hundred kilometers