46. The first paragraph is mainly about the earth`s _____ 47. The writer uses the word ` float` to describe the way- 48. The mantle is ___ 49. The second paragraph states that eroded material created pressure in ocean areas, causing the formation of- 50. Conical shaped mountains are composed of ___
continents
crust
mantle
oceans
Explanation:
Correct Answer is: crust water areas drift onto the mainland a solid layer of the earth`s crust fault blocks gases and molten rock
