When oceanic plates meet continental plates at a convergent boundary, a ____.
a. subduction zone will form because the oceanic plate is more dense than the continental plate
b. subduction zone will form because the oceanic plate is less dense than the continental plate
c. rift zone will form because the oceanic plate is more dense than the continental plate
d. rift zone will form because the oceanic plate is less dense than the continental plate
e. subduction zone will form on the oceanic plate, and a rift zone will form on the continental plate
Question 2
Oceanic crust is denser than continental crust because ____.
a. continental crust stands at a higher altitude
b. oceanic crust is rich in silica
c. oceanic crust is compressed at convergent boundaries
d. water pressure from the oceans makes oceanic crust thinner
e. oceanic crust is rich in iron- and magnesium-containing minerals