Question

At which type of boundary do lithosphere plates collide

Answer 1

There are three major types of plate boundaries. If two tectonic plates collide, they form a convergent plate boundary. Usually, one of the converging plates will move beneath the other, which is known as subduction. Deep trenches are often formed where tectonic plates are being subducted and earthquakes are common.  

Answer 2

Answer:

this is easy the answer is: convergent boundaries

why?

because the the way they move E.G.( <--1tectonic plates2-->)