Answer:The less-dense material rises, often forming a mountain or elevated area of the seafloor
Explanation:
Seafloor spreading is a geologic process in which tectonic plates—large slabs of Earth's lithosphere—split apart from each other. Seafloor spreading and other tectonic activity processes are the result of mantle convection.
Answers & Comments
Answer:The less-dense material rises, often forming a mountain or elevated area of the seafloor
Explanation:
Seafloor spreading is a geologic process in which tectonic plates—large slabs of Earth's lithosphere—split apart from each other. Seafloor spreading and other tectonic activity processes are the result of mantle convection.