<span>The appropriate answer is c. sonar. Oceanographers use sonar to determine the ocean depth. A sonar signal is sent from the ship. Oceanographers record the time taken for the signal to leave the ship and for it to return. Knowing the speed of sound in water, they are able to calculate the depth of the water. This method is also used to generate bathymetric images of the ocean floor. </span>
Quiet inspiration is _an active process_, and quiet expiration is _a passive process_.
C. the flies could not get into the jar to lay their eggs
What are the options on it? I could help
Answer: float
Explication: If the density is less than the waters then it will float
