20. What causes the formation of Mid-Atlantic Ocean? A. Separation of the African and Arabian Plate B. Convergence of the Indian and Eurasian Plate C. Moving apart of the South American and African Plate D. Convergence of the Eurasian Plate and African Plate 21. Which of the following geologic activity that does not occur along or near plate boundaries? A. Earthquakes B. Hawaiian Islands C. Volcanic activities D. Mountain formations 22. Sequence the following scenario when oceanic crust meets continental crust. 1. Oceanic crust undergoes continental crust II.Mantle is hotter than the crust, subducted crust melt forming magma III. Volcanic activities occur on the continental plate IV. less dense magma rise up while more dense magma sink A. I,II,IV,111 B.11,1,111,1V C.III,II.IV,I D.IV,111,11,1 13. The Philippines is susceptible to different disasters how will you know that the whole family is prepared and ensured their safety in case of evacuation? A. mother prepared a first aid kit B. everybody in the family knows where to go c. members of the family prepared an emergency kit D. the eldest brother kept the money as well as the documents. 14. A volcanic island was formed at the mantle plume the first volcano is the eldest, which volcano is the youngest and the most active? A. The mid volcano of the volcanic island B. The last volcano found on top of the plume C. The volcano nearest to the youngest one D. The second volcano nearest to the eldest one 15. Which of the following event that causes the formation of the Sulu trench? A. Subducting Philippine Sea plate beneath the archipelago B. Philippine Mobile belt collided with the Sundaland Block C. Downward movement of oceanic lithospheres underneath Phlippine Archipelago D. Part of the Highland sections of the Sundaland block of the Eurasian Plate D 16. A type of plate boundary where plates slide or grind past each other. divergent B. convergent C. west valley fault D. transform fault 17. Which of the following indicates the spreading or splitting of the crust? A. ridges B. trenches C. volcanic arc D. mountain ranges 18. Why does oceanic crust sink deeper than the continental crust? A Oceanic crust is denser than the continental crust B. Continental crust is denser than the oceanic aust C. Continental crust is heavier than the oceanic crust D. Oceanic crust is less dense than the continental crust 19. Which of the following could not possibly occur when two continental plates meet? A. Subduction B. Himalayas C. Mountain range 23. Two Oceanic plates separate each other, which of the following will be the effect? A. Linear sea B. Rift valley formation C. Numerous normal faults D. Creation of new sea floor 24. Where can transform faults found? A. Ocean floor B. Middle of the continents C. Edges of the continents D. Middle of the Pacific Plate 25. Arrange the following statements on how volcanoes are formed I. Magma rises through cracks II. Rocks melt formed magma III. From cracks volcanoes are formed IV. High heat and lower pressure caused rocks to melt A. IV, II, I, III C.IV, 1,111,11 B. C.IV,111,1,11 D.IV,11,111,1 ​