How far it rises above the land that surrounds it.
Sub fields focus more on traditional breakdowns of studies
At low latitudes, the thermocline is a zone of rapid temperature
over a relatively short depth. it is associated with a similar depth zone marked by a change in density called the pycnocline.
<span>When you are operating a boat 28 feet long on federal waters, you must have an oil placard and garbage disposal placard on display.
Oil placard must be at-least 5 x 8 inches in size, and garbage disposal placard or save our seas placard must be at-least 4 x 9 inches in size. These cards must displayed in a prominent location.</span>
I think the answer is
glaciers because glaciers are just frozen ocean water