Classify each pollutant based on the category that best describes its impact on waterways.
Categories:
Toxic chemicals
Pathogens and waterborne diseases
Thermal pollution
Nutrient pollution
Sediment
Pollutants:
Acid drainage from an abandoned coal mine
Herbicide from a soccer field
Medical waste from a hospital dumped in an illegal location
Frigid water from the bottom of a reservoir
Phosphorus-rich fertilizer from an agricultural land
Nitrogen-rich grass clippings from a mowed lawn
Clay soil from land cleared for home construction
Eroded topsoil from agricultural land