I think it is liqid but i dont know realy.
Answer: Volcanic materials ultimately break down and weather to form some of the most fertile soils on Earth, cultivation of which has produced abundant food and fostered civilizations. The internal heat associated with young volcanic systems has been harnessed to produce geothermal energy
Explanation:
Earthquake, volcano and continental shifts
I am thinking the rock that forms from lava that cools quickly is D) Obsidian.
This question is correct. I believe so?
