Question

8. By using sound waves, _______ signals allow oceanographers to determine ocean depth.
A. phone
B. sonar
C. radio
D. radar

Answer 1

What is your guess?

Answer 2

D is my guess but im not sure

Answer 3

how come echo isnt an option....?

Answer 4

i have no idea :)

Answer 5

Sonar (originally an acronym for SOund Navigation And Ranging) is a technique that uses sound propagation (usually underwater, as in submarine navigation) to navigate, communicate with or detect objects on or under the surface of the water, such as other vessels.

( https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=3&cad=rja&uact=8&ved=0CCYQFjACahUKEwjVkK7lxZzIAhWJA5IKHRXiADw&url=https%3A%2F%2Fen.wikipedia.org%2Fwiki%2FSonar&usg=AFQjCNGlt4dyc27FsO7mlMSw25pzGqNd4A&sig2=HOMxuj7KEjXdhh8Rqz2B5w&bvm=bv.103627116,d.aWw)

Answer 6

you replied to something a year old dude

Answer 7

i know XD @PRAETORIAN.10 but i just couldnt let it sit without letting the user know that it was sound -_-

Answer 8

LOL cool potatoes bruh

have a medal

Answer 9

haha, you too ^_^