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It is where the effects of the weather have an impact of the coast/land. Physical/mechanical processes include: freeze-thaw, thermal expansion, salt crystalisation and wetting and drying. Chemical processes include: hydration, hydrolysis, oxidation, and carbonation. Biological weathering is done by animals, plants, and humic acid.

All these processes need organic material present to occur, whether it is living or dead.

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12y ago

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