Sea floor spreading occurs at mid-ocean ridges.
the sea floor separates. magma comes up the crack forming new sea floor
i really don't now why
i really don't now why
Convection currents
under water volcanoes move the oceanic plates and spread them
Mid ocean ridges are the direct result of sea floor spreading.
Sea floor spreading
thermal convection is the primary force that cause the sea floor to spread
Radiologyinfotation
sea-floor spreading
It was created on the sea floor.
the newer rock is closer to the middle n th older ones spread along the sides