Succession would help over time because new things will appear after
Copper choruses purpose is its used as a catalyst for organic and inorganic reactions , mordant for dyeing and printing textiles, pigment for glass and ceramics, wood preservative, disinfectant, insecticide, fungicide, and herbicide. (Not sure if you want the actual purpose of water or not)
D. breakdown of rocks through mechanicals or chemicals processes
D. Aquifers
Hope this helps chief.