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