A) long deep-ocean trenches. B) found in all of Earth's ocean's. C) found only in the Pacific Ocean. D) located along the coast.
A) Earth's magnetic field. B) earthquakes. C) conduction. D) convection currents.
A) convergent boundary. B) divergent boundary. C) transform boundary. D) rift valley.
A) secondary waves B) Q waves C) primary waves D) Surface waves
A) s waves B) surface waves C) p waves. D) rift valley.
A) It is a good source of energy. B) It is dormant. C) It is extinct. D) It is probably ready to erupt.
A) The Mercalli scale rating. B) The vibrations caused by seismic waves. C) The location of the epicenter. D) The location of the focus.
A) mantle, core, crust, inner core B) outer core, mantle, inner core , crust C) crust, outer core, mantle, inner core D) crust, mantle, outer core, inner core
A) fire. B) volcanic ash. C) rock. D) magma.
A) transform boundary. B) divergent boundary. C) convergent boundary. D) rift valley.
A) subduction. B) conduction. C) continental drift. D) convention.
A) along the edge of the continents. B) along the edges of the coast. C) along mid-ocean ridges. D) at the north and south poles.
A) surface waves. B) s waves. C) p waves. D) q waves.
A) trenches. B) valleys. C) rifts. D) mountains.
A) subduction. B) plate tectonics. C) boundary. D) sea-floor spreading
A) they have too much data. B) there are too many faults to monitor. C) they don't know what an earthquake is. D) they can't be sure of when or where the stress will be released along the fault.
A) the name of an ancient fossil. B) name of a continent. C) the name of the supercontinent that is believed to have existed millions of years ago. D) the name of a scientist.
A) a dense ball of iron and nickel. B) layer of hot magma. C) empty. D) a layer of cooled rock. |