Landforms would be consider land like North American, South America, and Canada. In those landforms would be rocks, trees, bodies of water, animals, and people. Erosion can be caused by water, wind, and ice. Erosion is when a solid like a rock take on a chemical change and slowly start to break down into nothing.  An example would be a river overflooding and going down a mountain pass and dissovling it down to nothing.

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