1. describe the three different kinds of material that can5. describe the activity in the mantle that leads to hot-spot 2. dejcribe the differences between a pyroclastic flow and a 6. how do continental-rift eruptions form lood basalts? 3. describe the differences among shield volcanoes, erupt from a volcano. lah stratovolcanoes, and cinder cones. how are these eruptions. 7. contrast an island volcanic arc with a continental volcanic arc. what is a hot-spot volcano? 8. identify some of the major volcanic hazards, and explain differences explained by the composition of their lavas and other factors? tey develop. 9. how do geologists predict volcanic eruptions? 4. why do some volcanic eruptions consist mostly of lava 10. explain how steps can be taken to protect people from the flows, whereas others are explosive and do not produce flows? effects of eruptions.