Ais formed when tectonic plates collide.
a.
rift
b.
subduction zone
c.
fault
d.
all of the above

A subduction zone is formed when tectonic plates collide. Correct B Tectonic plates are massive pieces of the Earth’s crust that interact with each other. When they collide they form region called subduction zone.The more massive plate, normally a continental will force the other plate, an oceanic plate down beneath it.

we cant see it/

answer; is roughly two weeks;