13. The ocean floor is deepest in which of the following? OA. rift valleys B. th

Question

13. The ocean floor is deepest in which of the following? OA. rift valleys B. the abyssal plain C. submarine canyons D. oceanic trenches 14. Which is true regarding earthquake and volcanic activity? A. Earthquakes and volcanoes are concentrated along plate boundaries. B. Normally, volcanoes and earthquakes are not closely associated. C. The Atlantic basin has more active plate margins and thus more earthquakes and volcanoes than the Pacific basin. D. Volcanoes cannot exist near the center of a plate, although earthquakes can occur there. O What kind of boundaries exists where tectonic plates slide past one another laterally? O A. transform boundaries O B. convergent boundaries 15. C. divergent boundaries D. submarine boundaries

Explanation / Answer

13) D- oceanic trench

14) A- earth quakes and volcanoes are concentrated along with plate boundries

15) A- transform boundries

11) C- ridge sink

12A- earth loosing internal heat

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