what plates collide to form a fold mountain
continental crust and continental crust
oceanic and tectonic
any
none
what two plates collide to form a destructive plate boundary
continental and continental
continental and tectonic
non
what plates pull away at a constructive plate bouundary
tectonic and oceanic
constructive and tectonic
all
there is an earthquake at every plate boundary
shield volcanoes have more explosive erouptions
composite volcanoes have more viscos lava