Tectonics Practice Quiz 2 on QuizRevolution

Convergent boundaries produce large regions of metamorphic rocks (regional metamorphism).  Only divergent boundaries produce rift valleys and mid-ocean ridges.  Hotspots and divergent boundaries produce basaltic lava flows.  Some convergent boundaries produce volcanoes and trenches, but only those that involve at least one oceanic plate.  Convergent continental-continental boundaries produce mountains which are two thick for magma to make it to the surface and form volcanoes.

Plate tectonics is the best explanation for the movement of these continents.  As tectonic plates move, they may produce volcanoes and earthquakes, but they do not move the continents.  The continents move on convection currents flowing in the asthenosphere.  Coastal flooding is not a force that can effect the movement of continents.

U-shaped valleys are made by glaciers.  Island arcs are made by convergent oceanic-oceanic boundaries.  Rift valleys and basaltic volcanoes are made by divergent continental-continental boundaries.  Deep ocean trenches are made by convergent boundaries involving at least one oceanic crustal plate.

Transform boundaries neither create nor destroy crust.  They do not make volcanoes, trenches, rifts, or mountains.  They produce offset landscapes and earthquakes.

Most of the world's volcanoes form at convergent or divergent plate boundaries but not at transform boundaries.  Volcanoes do not produce plate boundaries (it's the other way around).  A few volcanoes are produced by hotspots (Hawaii, the Galapagos Islands) but most at convergent and divergent plate boundaries.

This is a divergent continental-continental boundary.  These are continental plates and are moving apart.  This is not a divergent or transform boundary.  "Subduction boundary" is not a real term.

This is a divergent continental-continental boundary and is producing a rift valley.  It will also likely produce basaltic volcanoes.  Convergent boundaries with an oceanic plate produce trenches and explosive volcanoes.  Plate boundaries are not directly related to glaciers.  River channels will probably form here, but that's not the best answer here.  Hotspot volcanoes form anywhere a hotspot plume can make it through the crust.

These are all signs of a convergent continental-continental boundary.  The other three would produce volcanoes.

The evidence suggests that there is a convergent oceanic-continental boundary.  This describes the Andes Mountains are a high volcanic mountain range rising above an ocean trench.

The best evidence is the way the rock types and fossils line up with each other.  There is no evidence that there has been erosion of the land between.  Though it is likely that earthquakes and volcanoes have happened, there is no evidence that they broke up the land.  The limestone and sandstone were deposited there by sedimentary processes, not by a volcano.