Well, there is a lot of movement, because of all the fish swimming in the ocean. So it could sometimes be quiet, and sometimes not. Only two people have been to the deepest known trench on the ocean floor in 1969. they descended for hours in a ballast filled with gasoline. They got one picture of a creature on the floor of the trench and then upon touching down stirred up too much particulate matter for any other observations. since the matter neither settled nor was swept away by current i would have to assume that yes the bottom of the ocean is quiet.
Have a look at Hypersaline current in Wikipedia. There are also plenty of photos of the deep sea floor - see Black smokers for example. And check out Alvin, the deep sea vessel.
cold, dark, and quiet
Some areas are quiet, and others are busy.
This is a simile because it uses the word "as" to describe the library. A metaphor does not use the words "like" or "as" to describe a noun.
what is wrong with this sentence "the bottom of the ocean is different from land masses because the ocean bottom is perfectly flat."
How scientists map the bottom of the ocean
The bottom of the ocean that is slimy is called a biogenous bottom. Some scientists refer to this kind of ocean bottom as an ooze. They are the result of a dominance of calcium shells and siliceous shell pieces which dissolve at the bottom of the ocean.
Ocean Bottom Nightmare was created in 2007.
cold, dark, and quiet
the echolaocation for measurnig the bottom of the ocean is the Doppler effect
An abyssal plain is a flat area on the ocean bottom
surface of the ocean
Top of the ocean