English, 30.06.2019 00:30 jonzyjones3114

Plz 30 points 1. which two parts of the earth make up lithosphere? a. inner core and outer core b. mantle and outer core c. inner core and mantle d. crust and outer part of the mantle 2. which part of the mantle is still a solid but flows like a thick, heavy liquid? a. asthenosphere b. lithosphere c. crust d. core 3. what evidence did wegener make use of to develop the theory of continental drift? a. mountains in north america appear to be part of the same chain of mountains as those in northern europe. b. the climate of siberia has always been the same. c. the rocky mountains are taller than the appalachian mountains d. there is no evidence of glaciers anywhere in south america. 4. the theory of continental drift proposes that the earth's continents may have once been united as a supercontinent but have drifted apart over time. what was the name of the supercontinent? a. gondwanaland b. pangaea c. laurasia d. americas 5. which term is described as a shelf of undersea land reaching a depth of about 200 meters (656 feet) and extending out from the shoreline? a. continental shelf b. abyssal plains c. deep-sea trenches d. guyots 6. which term is described as a long, narrow depression in the ocean floor? a. continental shelf b. abyssal plains c. deep-sea trenches d. guyots 7. which two forces do scientists believe are responsible for tectonic plate motion? a. gravity acting on the edges of plates and friction between the plate and the asthenosphere b. friction between the plate and the asthenosphere and pressure of magma on the edge of the plate c. gravity acting on the edges of plates and convection in the mantle d. convection in the mantle and pressure of magma on the edge of the plate 8. what activates a convection current, starting the flow of a fluid? a. cold temperatures at the north pole b. heated liquids at earth's surface c. iron-rich rocks in the mantle d. temperature differences in the mantle 9. what happens at a convergent boundary? a. collisions occur as lithospheric plates move toward each other. b. mountains form as lithospheric plates move side by side past each other. c. earthquakes occur as lithospheric plates move away from each other. d. magnetism occurs as lithospheric plates are attracted toward each other by gravity. 10. according to the theory of plate tectonics, how do two plates interact to form earth's largest mountain ranges? a. create new plates b. collide c. scrape past each other d. move apart

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Plz 30 points 1. which two parts of the earth make up lithosphere? a. inner core and outer core b....

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