| A | B |
|---|
| ENGINE EXHAUST | the exhaust from cars, trucks..ect |
| point-source pollution | pollution from a single source, such as an oil spill |
| nonpoint-source pollution | pollution from many sources |
| Transboundray pollution | may effect environment hundreds of miles away, like nuclear waste |
| Sewage/wastewater | when people in are sick, sewage can carry viruses and bacteria |
| Industrial waste | many places use freshwater to carry waste from the plant and into rivers, lakes or oceans. |
| ATMOSPHERIC DEPOSITION | pollution of water caused by air pollution |
| MARINE DUMPING | kills marine animals |
| Biological Magnification | certain substances such as pesticides or heavy metals move up the food chain |
| Conservation | a smart use of natural resources |
| Topsoil depletion | we are losing about 1 percent of this |
