Oceanic+Rock+Formation

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**C. By volcanic activity **
**bold** = correct answer

Question Identifier: GCI_2011_038 Designed for: //Non-Science Majors// Primary Author(s): //J. Libarkin, S. Anderson// Contributing Author(s): Misconception's Reference: //Original GCI (https://www.msu.edu/~libarkin/GCI_PUBLICATIONS.html)// Notes: //Stem was changed to form a question and the word "form" was removed from each answer.//

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