The black line on the map below represents tec-
tonic plates. The red line shows the longest ridge
in the world. This mid-ocean ridge extends for
about 10,000 miles and is characterized by shal-
low earthquakes and minor lava flows. It is
known as a spreading zone, as it is responsible
for ocean sea floor spreading.
Based on the evidence, what type pf plate
boundary is responsible for this mid-ocean
ridge?
A.Convergent
B.Divergent
C.Transform
D.Oceanic