Question

the depth of sea is measurev by which technique​

Answer 1

Answer :

Depth finder, also called echo sounder, device used on ships to determine the depth of water by measuring the time it takes a sound (sonic pulse) produced just below the water surface to return, or echo, from the bottom of the body of water.

Please Mark As Brainliest Answer And Drop A Thanks !

Answer 2

Depth finder, also called echo sounder, device used on ships to determine the depth of water by measuring the time it takes a sound (sonic pulse) produced just below the water surface to return, or echo, from the bottom of the body of water.

Hope it helps..

Do mark as brainlist..