Question

Help! My little sister need help with her homework question and I have no clue.

Answer 1

a joined transmitter and beneficiary called a transducer sends a sound heartbeat straight down into the water and the beat travels through the water and bouces off the sea base with the goal that the transducer can pickup the reflected sound

Answer 2

a combined transmitter and receiver called a transducer sends a sound pulse straight down into the water and the pulse moves through the water and bouces off the ocean bottom so that the transducer is able to pickup the reflected sound