A. Hawaii
I hope it helps!!
.lava
. magma
The other ones don't deal with igneous rocks but metamorphic rock.Crystals could go with it but I don't believe it does because it is crystallization not just crystals.
Answer:
Convergent boundaries mean when two tectonic plates collide and one goes under the other. It causes a lot of earth features and some are ocean trenches, volcanoes, island arcs, fault lines and etc..
Explanation: