Isostasy+Crustal+Root+-+Majors+(open)

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**D. Thinning of the crust**

 * bold** = correct answer

Question Identifier: GCI_2011_052 Designed for: //Geoscience Majors// Primary Author(s): //Modified from non-majors question originally by M. Malone// Contributing Author(s): //J. Libarkin and E.M. Geraghty Ward// Misconception's Reference: //M. Malone thesis from Western Washington University// Notes: //(none)//

include component="comments" page="1)   Which of the following are necessary for a volcano to form? " limit="10"