Answer :
Seafloor spreading Happens when Tectonic plates slowly move away from eachother. Heat from the Mantle's convection currents make crust more plastic and less dense, creating a new crust.
Brainliest pleasee
Seafloor spreading Happens when Tectonic plates slowly move away from eachother. Heat from the Mantle's convection currents make crust more plastic and less dense, creating a new crust.
Brainliest pleasee