An area of the sea that is partly surrounded by land.
gulf
A small gulf is known as a...
bay
A large underwater pleateau surrounding a continent reaching a depth of 200m.
continental shelf
This landform leads down from the continental shelf into the deeper parts of the ocean.
continental slope
Vast plateaus at a depth of 3,000-7,000 meters.
abyssal plains
Long, deep cracks in the ocean floor.
ocean trenches
