Geography, asked by anchaljaiswal09876, 23 days ago

I am a metamorphic rock dark grey in colour i am used to make roofs and blackboard

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Answered by priyadharshan917
0

Answer:

Answer: Slate. Explanation: Slate is a foliated, fine-grained similar metamorphic rock dawned from an independent shale-type sedimentary mineral composed of ash or mud produced from the volcano and also through the method of second-rate metamorphism

Explanation:

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