by which mechanism does older oceanic rock move at a ridge?\nmagnetic forces move the rock.\ncontinents…

by which mechanism does older oceanic rock move at a ridge?\nmagnetic forces move the rock.\ncontinents drift and move the rock.\nthe ridge subducts and moves the rock.\nnew molten material rises and moves the rock.

by which mechanism does older oceanic rock move at a ridge?\nmagnetic forces move the rock.\ncontinents drift and move the rock.\nthe ridge subducts and moves the rock.\nnew molten material rises and moves the rock.

Answer

Answer:

New molten material rises and moves the rock.

Brief Explanation:

At mid - ocean ridges, new magma rises from the mantle. As it cools and solidifies, it pushes the older oceanic rock away from the ridge, a key process in sea - floor spreading.