Satellites use ____ to calculate the depths of the ocean.
A) variations in elevation of surface water
B) multibeam echo sounding
C) radiometrics
D) variations in ocean density

Question

Quizplus · Accepted Answer

Satellites use radar pulses every second to determine the elevation of surface water. The distance of the ocean surface is measured. The variations in elevation correspond with the depth in the ocean. This method is quite accurate. Information can be found in the section Ocean Floor Is Mapped by Bathymetry.

Satellites Use ____ to Calculate the Depths of the Ocean