marine science noaa questions

-The N.O.A.A are the National Oceanic & Atmospheric Administration. They are focused on conditions and behavior of the oceans and atmosphere.

 -The intensity of a sonar tells scientists that the longer it takes for an echo to return, the farther away the reflective surface, whether its the wall of a canyon or the sea floor.

 -The R.O.V. stands for Remote Operated Vehicle; it assists scientists because it helps them see underwater up to 10,000 feet deep.

 -These studies are important to society because we use the oceans for food, energy, and materials. Oceans also play a major role in controlling climate. Life began in oceans so we must know about them.