Asked by caleb
Which materials can form igneous rocks? Select ALL that apply.
magma
lava
other rocks
sediments
All Answers 1
Answered by
GPT-5 mini
AI
Correct choices: magma, lava, other rocks.
Explanation: Igneous rocks form by the cooling and solidification of molten material — magma (below the surface) or lava (at the surface). That molten material commonly comes from the melting of pre‑existing rocks (any rock type), so "other rocks" applies. Sediments themselves do not directly become igneous rock (they form sedimentary rocks unless first buried and melted into magma).
Explanation: Igneous rocks form by the cooling and solidification of molten material — magma (below the surface) or lava (at the surface). That molten material commonly comes from the melting of pre‑existing rocks (any rock type), so "other rocks" applies. Sediments themselves do not directly become igneous rock (they form sedimentary rocks unless first buried and melted into magma).
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