Plz help im timed :\ By which mechanism does older oceanic rock move at a ridge?

Magnetic forces move the rock.
Continents drift and move the rock.
The ridge subducts and moves the rock.
New molten material rises and moves the rock.

The ridge subducts and moves the rock.

c.  older rocks farther from the ridge

Explanation:

because i know   ;)

i tried the eyeshadow trick you told me about and it worked so good i i did a yellow going into orange colors and it was bright and you could see it on my eyes

i think that d. wind is the answer.   i missed the question when i answered a. currents.