exfoliation maybe or it could have been shaped due the pressure
Changes in shape and volume occur when stress and strain causes rock to buckle and fracture or crumple into folds. A fold can be defined as a bend in rock that is the response to compressional forces. Folds are most visible in rocks that contain layering.
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The above answer is correct please mark it as brainliest answer
decarboxylation is a chemical reaction that removes a carboxyl group and releases carbon dioxide (co2). usually, decarboxylation refers to a reaction of carboxylic acids, removing a carbon atom from a carbon chain.