You are presented with the quiz "Parts of the Earth's crust being pushed together causes what?" 

But you don't know the answer, so you turn to your teacher to ask for hints. He says that "tectonic plates being pushed together causes earthquakes" and "several tectonic plates make up the earth's crust that are in a constant state of process". 

So, what's the best answer to the question?


 

    earthquakes       