Most magmas form at what types of plate boundaries?
a. subduction zones and transform faults
b. subduction zones and mid-ocean ridges
c. mid-ocean ridges and transform faults
d. mid-ocean ridges, transform faults, and subduction zones
Answer: B
Most magmas form at what types of plate boundaries?
a. subduction zones and transform faults
b. subduction zones and mid-ocean ridges
c. mid-ocean ridges and transform faults
d. mid-ocean ridges, transform faults, and subduction zones
Answer: B