Most of the ocean floor is made up of ocean plains.
The ocean floor is not smooth.The ocean floor is made up of rocks, ledges and ditches.
sediment
the deep ocean basin
The volcanic rock that makes up most of the ocean floor is called sediment.
The ocean floor is made of relatively young basaltic rock which is pushed up as magma at the mid-oceanic ridges, the place where the sea floor spreads apart.
Basalt
An Organic rock is an Sedimentary rock and it is made in the ocean from calcium and other minerals building up on the ocean floor :)
broken up rocks
A lot of shells of marine organisms wind up on the ocean floor. Bones do not last on the ocean floor, they get eaten. But shells can last.
the ocean floor starts to break up just like the land does .
Yes, because they make up the ocean sea floor.
The deep ocean floor and submarine sand reefs are all made up of limestone environment. Limestone is a sedimentary type of rock that can be found in many places. It falls to the ocean floor when tides rise and fall.