23. Which of the following types of eruption is characterized by a periodic weak to violent eruption characterized by
fountain lava?
A. phreatic
B. plinian
C. strombolian
D. vulcanian
24. You are a volcanologist from Bicol. On your way back to your hometown, you saw the eruption of Mayon Volcano
characterized by a violent and excessive ejection of pyroclastic debris and other volcanic materials, which eruptive style
is described in the scenario?
A. phreatic
B. plinian
C. strombolian
D. vulcanian​