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46.The main types of boundaries between different lithospheric plates are:A) Pull-apart and slide-past.B) Push-together and slide-past.C) Push-together, pull-apart and slide-past.D) Push-together, pull-apart, slide-past and hot-spot.E) Hot spots.47.A common way in which Philadelphia-size or bigger bodies of rock that were heated and squeezed deep in a mountain range then end up at the surface of the Earth is:48.What tectonic setting has been primarily responsible for producing Mt. St. Helens?
49.What tectonic setting produces earthquakes such as the San Francisco earthquake, but is unlikely to produce mountains except where bent?50.What tectonic setting has been primarily responsible for producing Hawaii volcanoes?A) Push-together subductionB) Push-together obductionC) Pull-apartD) Slide-pastE) Hot-spot51.What tectonic setting has been primarily responsible for producing the Appalachian Mountains and Great Smoky Mountains National Park?52.Which is most accurate about tsunamis?53.Old, cold ocean floor sinks at subduction zones. Why does this cause melting to feed volcanoes?