Published in category Geography, 19.09.2020 >> <<

5. When the sea floor spreads apart, volcanoes and ridges are formedBecause -

a. sediments are deposited where the floor spreads, building ridges

b. as the plates pull apart, magma moves to the surface, building ridges

c. ocean water pushes down on the surrounding sea floor, pushing up ridges

d. underwater earthquakes lift the sea floor into long ridges