1. How did people 1st map the ocean floor?

Question

Biology

Natalie

25 June, 02:43

1. How did people 1st map the ocean floor?

+3

Answers (2)

Know the Answer?

Lawrence · Answer 1

used sound waves that bounced off the ocean bottom. the time taken for the sound to travel through the ocean and back is then used to calculate water depths

Angelina Cowan · Answer 2

Echo sounding is the key method scientists use to map the seafloor today. The technique, first used by German scientists in the early 20th century, uses sound waves bounced off the ocean bottom ... The time taken for the sound to travel through the ocean and back is then used to calculate water depths.