Waste Management

2. ponds, pits, or lagoons that store liquid hazardous waste
5. overnourishment of aquatic ecosystems with plant nutrients resulting from human activity
6. bacteria and enzymes help to destroy toxic or hazardous substances or convert them to harmless compounds
9. goals are to identify sites where hazardous waste has contaminated the environment and to clean them up
12. extremely small pieces of plastic debris in the environment resulting from the disposal and breakdown of consumer products and industrial waste.
13. uses bacteria to decompose yard trimmings,vegetable food scraps and other biodegradable organic waste

1. pollutants come from many diffuse sources that are hard to pinpoint
3. any unwanted or discarded material people produce that is not a liquid or gas
4. convert used resources to useful items
7. solid waste produced by mines, farms, and industries that supply people with goods and services
8. solid waste often called garbage or trash produced by households and workplaces other than factories
10. single, identifiable source that discharges pollutants into the environment
11. waste which is discarded material or substances that directly threatens human health or the environment