| A | B |
|---|
| Watershed | entire area of land that is draind by a river |
| Surface water | is fresh water that is above ground in lakes, pounds, and rivers |
| ground water | water that seeps down in this way and is stored underground |
| Aquifers | large amounts of ground water may be stored in underground rock for mations |
| recharge zone | the area of land from which ground water originates |
| water pollution | the intorduction of chemcal physical or biological matirial into water that degraks the quiatliy of the water and affects the organisms that drink its and live in it |
| point pollution | is pollution that is discharged form a single source |
| non point pollution | is pollution that comes from many sources rather than from a single spacifik type |
| disalinization | removing the salt form salt water |
| dam | a large structure used to slow the flow of a river to produce equal distribution |
| towing water | taking water from place to place to solve water shortage problems |
| water cycle | it gets cloudy rains evaporates into the sky condenses and then rains again |
| distillation | process of heating a liquid and cooling and condensing the resultant vapor to seperate substances and produce a more rfined liquid |
| reverse osmosis | desalinezation process in which pressure is used to push water through a semipermeable membrane that will not permit salt to pass |
| marpol | international convention for the prevention of pollution from ships |
| territorial sea | the laws of a coastal nation extend 22km form its coastline difined by the law of the sea treaty |
| bioaccumulation | in the food chain terin palled on to the next eater increases |
| thermal pollution | excesive amounts of heat are added to a body of water |
| artificial europhication | eutrophicationcaused by humans |
| marpol | international convention fo rthe prevention for the ships |
| exxon valdez | oil spill in price wiliam sound |
| ocen pollution | comes form accidental disasters direct dumping |
| fresh water | stored in aquafurs and recarge zones |
| surface water | lakes rivers pouds and sreams |
| water pollution | point pooution and ononpoint plluitons |
