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Across 6. rock fragments thrown into the air during a volcanic eruption 7. at the top of a volcano,around the vent,is a bowl shaped depression 8. rapidly moving volcanic material (2 Words) 11. internal resistance flow 12. larger depressions

Down 1. form when layers of volcanic fragments alternate with lava (2 Words) 2. where lava erupts through an opening in the crust 3. intrusive igneous rock bodies 4. mushroom-shaped pluton with a round top and flat bottom 5. the largest plutons 9. irregularly shaped plutons that are similar to batholiths but smaller in size 10. a pluton that cuts across preexisting rocks