Question

. SONAR:
a. Navigation Measurement of the depth of ocean
b. Application of ultrasound in the field of medicine​

Answer 1

Answer:

a

Explanation:

it is device in ships which transmit ultrasonic waves which get reflected by the obstacles under sea they are received by the receiver

Answer 2

Answer:

yes

Explanation:

sonar is a device that are produce the ultra sonic sound that have major a distance the heavy objecy and it are used to measur of sea bead that are used in submarie and ship.