Pacific Ocean, Artic Ocean, Atlantic Ocean, and the Indian ocean. im ten years old. that's so easy.
It is the mid-ocean ridge.
Because the oldest parts reach the continental crust and then the ocean floor sinks beneath the continental crust, into the mantle.
Tectonic Plates can't carry both ocean floor and continents on the same plate.
mesozoic
Intertidal zone
Intertidal zone
Isolated volcanic peaks on the ocean floor are known as seamounts. The deepest parts of the ocean are long, narrow features known as deep ocean trenches.
volcanic mountains not formed on mid-ocean ridge
subduction
Subduction .
neritic is near shore an covers about 1/4 of the ocean floor and pelagic is deep ocean basin and covers the other 3/4 of the ocean floor
Offshore trenches, also known as oceanic trenches, are depressions in the sea floor. They are the deepest parts of the ocean floor.