Which of the following is a common gas emitted by volcanoes?

What is the name of the volcano that destroyed the city of Pompeii in 79 AD? What is the term for the scientific study of volcanoes? What is the term for molten rock that has been ejected from a volcano? What is the name of the largest volcano in the solar system? What is the name of the famous volcano that erupted in 1815 and caused the 'Year Without a Summer'? Which type of eruption is characterized by a gentle, non-explosive release of lava? Which type of volcano is characterized by its gently sloping shape and is typically formed by the eruption of fluid lav… Which of the following is a common method used to monitor volcanic activity?