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Review the following list and select either an "H" if the item is a hazard, a "B" if it's a benefit, or "HB" if it can be both a hazard and a benefit.

Respuesta :

Pyroclastic flows,lava flows and lahars are hazardous.                                      Geothermal energy is beneficial.   
Volcanic ash and volcanic materials can be both hazardous and beneficial.
Hope this helps you!

Answer: lahars are a benefit and lava flows are a hazard

Explanation: