98%(424)415 out of 424 people found this document helpful
This preview shows page 22 - 24 out of 24 pages.
54.Which of the following is commonly expected near a “textbook” subduction zone (that is, near a subduction zone that is so perfect and free of confusing complications that you would use it in a textbook to teach students)?A) Pull-apart earthquakes and faults.B) Slide-past (or transform, with horizontal but not vertical movement) earthquakes and faults.C) Basaltic hot-spot-type volcanoes.D) Andesitic stratovolcanoes.E) Basaltic mid-ocean-ridge-type volcanoes.55.The floor of Death Valley is about two miles lower than the mountain peaks around it. How did this happen?56.Geophysical evidence indicates that convection is occurring in the Earth’s mantle. What is the most likely physical explanation for why convection can occur in the mantle?