Condition - Very Good The item shows wear from consistent use, but it remains in good condition and functions properly. Item may arrive with damaged packaging or be repackaged. It may be marked, have identifying markings on it, or have minor cosmetic damage. It may also be missing some parts/accessories or bundled items.
Erosion and Weathering (Rocks: The Hard Facts)
Discusses the different causes of erosion and weathering, how these phenomena create problems for people, and their role in the rock cycle.