Choices: I. hardened magma. II. limestone. III. evaporation. IV. acid. V. rain. VI. permineralization. VII. heating liquids. VIII. germany.
Q: Fact 1: Igneous rocks are formed from magma cooling. Fact 2: When the magma cools and hardens, it turns into igneous rock. Given the two facts above, where do igneous rocks come from?
A:
I.