Question

Along ________ new ocean floor is formed by upwelling flows of magma, whereas along ________ old oceanic crust is destroyed.

a.subduction zones; mid-ocean ridges
b.archipelagos; oceanic trenches
c.mid-ocean ridges; subduction zones
d.oceanic trenches; archipelagos

Answer 1

C, mid-ocean ridges; subduction zones

I hope this was helpful!

Answer 2

C mid-ocean ridges; subduction zones

sorry, if my answer is wrong