Mechanical weathering is the process of breaking big rocks into little ones.his process usually happens near the surface of the planet. Temperature also affects the land the cool nights and hot day's cause things to expand and contract.
Chemical Weathering is what happens when rocks are broken down and chemically altered. Chemical weathering is alsohydrolysis, oxidation, carbonation, acid rain and acids produced by lichens.
I love the images you included. What about the freeze-thaw cycle as part of mechanical erosion?
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