| A | B |
| Volcano | opening in Earth that erupts gases, ash, and lava |
| Volcanoes can kill people, destroy property, and disrupt | the environment. |
| Lava and ____ flows can bury cities and towns in their paths. | pyroclastic |
| Sulfurous gases from volcaneos can create ___ | acid rain. |
| Acid rain | can kill organisms and pollute water. |
| Volcanoes form when magma flows out of a surface opening called a ____. | vent |
| A steep-walled depression around the vent is called a ___. | crater |
| Volcanoes often form where ____ are moving together or moving apart. | plates |