this literally makes no sense to me and I took all my science notes and stuff someone plz help
9) Pathogens
10) Organic Matter
11) Organic Chemicals
12) Inorganic Chemicals
13) Heavy Metals
14) Physical Agents

a) heat from industrial processes and suspended solids from oil erosion
b) mostly nonpoint sources
c) sewage of animal feces; livestock feedlots and poultry farms; sewage and overburdened wastewater treatment plants
d) industrial discharge, unlined landfills, household chemicals, mining processes; can also occur naturally in groundwater
e) industrial wastes, road surfaces, wastewater, and polluted precipitation
f) farms, laws, golf courses, roads, waterways, unlined landfills and leaking underground storage tanks