Question

How does subduction change the ocean floor?

a) subduction cause magma to accumulate on the ocean floor
b) subduction causes oceanic crust to break into pieces
c) subduction causes the ocean floor to sink into deep-ocean trenches
d) subduction causes metamorphic rocks to form

idk help!

Answer 1

http://www.answers.com/subduction

Answer 2

it seems to be C.

Answer 3

I think its c. idk do you have a textbook.