Step-by-step explanation:
There is no picture given, but the the volcanic material and associated hazards are written below;
Due to the eruption of volcanoes, hot lava come out and when this melting lava cool downs, it takes the forms of different rocks. These are called igneous rocks and the usual types of rocks or material formed are lava rocks, cinders, ash and dust.
Hazards of Valocanoes are;
- Formation of Lahar
- The corresponding area gets barren and avalanches.
- Ejection of dangerous gases in environment
- Increase in surrounding temperature and fire hazard