Asked by Aubree

In order for a rock to be classified as igneous, what must have happened during its formation?

Group of answer choices

Liquid rock changing its physical shape

Layered rock breaking into smaller pieces

small rocks cementing together

Solid rock changing under pressure

Answers

Answered by GPT-5 mini
Liquid rock changing its physical shape.

Igneous rocks form when molten rock (magma or lava) cools and solidifies. The other choices describe sedimentary (small rocks cementing together), metamorphic (solid rock changing under pressure), or weathering/erosion (layered rock breaking).
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