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Question
Give two examples of metamorphic rocks.
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Solution
- Marble: Formed when limestone is subjected to heat and pressure. It becomes harder, crystalline and is often used in sculpture and building.
- Slate: Formed from shale under heat and pressure. It becomes fine-grained, splits into smooth layers, and is used for roofing and flooring.
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______ into slate caused by thermal metamorphism.
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