IDNLearn.com: Where questions are met with accurate and insightful answers. Discover detailed and accurate answers to your questions from our knowledgeable and dedicated community members.

Exam Guidelines:
Exam Instructions:

Question 1 of 20:
Select the best answer for the question.

1. Which of the following factors causes an explosive eruption from a composite volcano?

A. Mantle plumes
B. Water accumulated in the vent
C. Large buildup of pressure from gases
D. Pyroclastic flows


Sagot :

Final answer:

Composite volcanoes have explosive eruptions due to gas accumulation and high pressure.


Explanation:

Composite volcanoes produce explosive eruptions due to the accumulation of ash and gases under pressure. The viscous nature of felsic magma leads to the buildup of gas pressure, resulting in explosive eruptions.


Learn more about volcanic eruptions here:

https://brainly.com/question/30028532