Grade 4 · Science
Classify rocks by how they form
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A rock is gray, and nothing is known about its structure or formation. Can its formation group be identified from this alone?
- igneous rock
- insufficient formation evidence
- sedimentary rock
- metamorphic rock
See the answer & why
insufficient formation evidence
Different rock groups can have the same color.
A little hint: Igneous rock forms when molten rock cools and solidifies.
Igneous rock forms when molten rock cools and solidifies.
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