| A | B |
| point pollution | pollution that is discosvered from a single source |
| nonpoint pollution | pollution that comes from many sorces rather than from a single site. |
| pathogens | disease-causing organisms such as bacteria, viruses, and parasitic worms. |
| bioaccumulation | the amount of toxen passedd on to the next "eater" increases. |
| algal blooms | the algae can for large mats |
| thermal pollution | Whens excessive amounts of heat are added to a body of water |
| bottled water | tap water being filtered and treated with various chemical |
| desalinization | process of removing salt water from water |
| recharge zone | the area of land from which the groundwater originates |
| aquifers | Large amounts of groundwater may b stored in underground rock formations |
| dams | is a structure built across a river or stream that prevents most of the water from traveling downstream. |
| watershed | the entire area of land that is drained by a river |
| surface water | fresh water that is above ground in lakes, ponds, rivers, & streams |
| water pollution | intro of chemical, phyiscal, or biological material into water that degrades the quality of the water and affects the organisms that drink it and live in it. |
| escherichia coli | a commontype of human intestinal bacteria. |
| fecal coliform test | used to test for these bacteria. |
| artificial eutrophication | eutophication caused by humans. |
| exclusive economic zone | area extends 370 km from land. |
| territorial sea | area extends 22km from its coastline. |
| organic matter | biodegradable remains of animsls plants, including faces. These come primarily |
| toxic chemical | Chemicals that are poisonous to liveing things, including heavy metals{lead, mercury, cadmium), and many industrial, and some household, chemicals. |
| physical agents | heat and suspended solids such as soil. |
| radioactive waste | from power plants or nuclear processing and defens facilities. |
| inorganic chemicals | acids, salts, toxic metals: from both & nonpoint sources. |
| towing water | shipping freshwater icebergs |