Question

What is the process of sea floor spreading?

Answer 1

Step-by-step explanation:

Sea floor spreading is a process that occurs at mid ocean ridges,where new oceanic crust is formed through volcanic activity and then gradually moves away from the reach.

Answer 2

(See Below)

Step-by-step explanation:

[1] Magma comes out of the rift valley.

[2] Magma cools to rock and hardens.

[3] Rock is pushed away as new rock is formed at MOR (Mid Ocean Ridges)

[4] Oceanic crust and continental crust meet at the trench.

[5] Oceanic crust bends down under the continental crust.

[6] Gravity pulls rock towards mantle.

[7] Rock melts to mantle.