What name is given to a volcanic opening that gives out gas and steam?
Fumarolic Solfataric Fumaroles Fumeroles Solfatare Fumarole field Solfatara FUMAROLE Sulfur spring Sulfur springs Steam vent Fumerole Fumarole
fumaroles fumarolic sulfur spring solfataric fumeroles solfatara solfatare sulfur springs fumerole fumarole fumarole field steam vent
fumarole
WikipediaEntity
FUMAROLE