sea-floor spreading
It was created on the sea floor.
the sea floor separates. magma comes up the crack forming new sea floor
DA ANSWER ISseafloor spreadingThe_process_by_which_molten_material_adds_new_oceanic_crust_to_the_ocean_floor_is_calledThe_process_by_which_molten_material_adds_new_oceanic_crust_to_the_ocean_floor_is_called
He used a navy ship to sound the sea floor. He found out magma was coming out of the mantle and into the sea floor.
Sea floor spreading occurs at mid-ocean ridges.
Forms by lava from volcanoes on the sea floor
As the sea floor spreads, the old ocean floor gets pushed out, which makes the plates move.
The sea floor.
Sea floor spreading occurs at mid-ocean ridges.
the divergent plate boundary is the one that is sea floor created
Sea floor spreading occurs at the mid ocean ridges.