If you see a large,steep-sided volcano in the distance,what type of volcano is it and what is the rock composition?
A) a stratovolcano made of andesite lava flows and ash
B) a stratovolcano made of rhyolite lava flows
C) a stratovolcano made of basalt lava flows
D) a shield volcano made of andesite ash
E) a shield volcano made of rhyolite lava flows

Question

Quizplus · Accepted Answer

Large, steep-sided volcanoes are typically stratovolcanoes, also known as composite volcanoes. Andesite is the most common rock composition found in stratovolcanoes, along with ash. Therefore, the best choice is A: a stratovolcano made of andesite lava flows and ash.

If You See a Large,steep-Sided Volcano in the Distance,what Type