🧰 APES Unit 8 Water & Terrestrial Pollution Mega Bundle for AP Environmental Science covering wastewater treatment, point vs nonpoint source pollution, eutrophication, BOD and oxygen sag curves, groundwater contamination, biomagnification, solid waste and landfills, POPs and endocrine disruptors, dose-response (LD₅₀), and human health & disease transmission. This complete Unit 8 bundle gives you instruction, application, and assessment in one cohesive sequence—saving you prep time while buildi