Though people have traveled on the ocean for millennia people have explored only a tiny fraction of the ocean floor.
The ocean floor is.
Mountains plains channels canyons exposed rocks and sediment covered areas.
The ocean floor is literally the floor of the ocean.
The ocean surface is vast and hides an entire world underneath it.
Climate change is sinking the ocean floor at a rate around 0 1 millimeters 0 004 inches per year.
The ocean floor is sometimes called the final frontier of the modern era.
The ocean floor has the same general character as the land areas of the world.
We know very little about the vast expanse of our oceans.
That is not enough to protect coastal cities from rising sea levels but could mean existing.
The ocean basins are characterized not only by lying in deep water the ocean floor averages about 4km below sea level but also by being underlain by a thin layer of crust.
On average oceanic crust is only 6 to 7km thick compared to 35 to 40km for con tinental crust.
It is the bottom of the ocean when you dive.
The lack of weathering and erosion in most areas however allows geological processes to be seen more clearly on the seafloor than.