S1T1R1A1T1O1V4O1L1C3A1N1O1E1S1
20 points
STRATOVOLCANOES is validvalid
STRATOVOLCANO,
STRATOVOLCANO, a composite volcano, composed of alternating layers of lava and pyroclastic material, along with abundant dikes and sills
STRATOVOLCANO,
STRATOVOLCANO, a composite volcano, composed of alternating layers of lava and pyroclastic material, along with abundant dikes and sills