Question

what types of materials are volcanoes like Mount St. Helens made of?

Answer 1

http://www.google.com/search?hl=en&rls=com.microsoft:en-us:IE-SearchBox&rlz=1I7GGIE_en&q=mt+st+helen+formed&revid=1313720891&ei=QUzVSZD2IuiAnAfQxdHuDg&sa=X&oi=revisions_inline&resnum=0&ct=broad-revision&cd=2

http://www.google.com/search?q=what+is+mt+st+helens+made+of&rls=com.microsoft:en-us:IE-SearchBox&ie=UTF-8&oe=UTF-8&sourceid=ie7&rlz=1I7GGIE_en