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AP Environmental Science Unit 8: Aquatic and Terrestrial Pollution

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Terms in this set (52)

a discharge of pollutants from a specific location

nonpoint source

a diffuse area that produces pollution

Image: nonpoint source

biochemical oxygen demand

the amount of oxygen a quantity of water uses over a period of time at specific temperatures

Image: biochemical oxygen demand

A process by which nutrients, particularly phosphorus and nitrogen, become highly concentrated in a body of water, leading to increased growth of organisms such as algae or cyanobacteria.

The rapid growth of a population of algae

a group of microorganisms in the human intestines that can serve as an indicator species for potentially harmful microorganisms associated with contamination by sewage

A relatively small and simple sewage treatment system, made up of a septic tank and a leach field, often used for homes in rural areas

acid deposition

Sulfur oxides and nitrogen oxides, emitted by burning fossil fuels, enter the atmosphere-where they combine with oxygen and water to form sulfuric acid and nitric acid-and return to Earth's surface

Bioaccumulation

The accumulation of a substance, such as a toxic chemical, in various tissues of a living organism.

Biomagnification

the concentration of toxins in an organism as a result of its ingesting other plants or animals in which the toxins are more widely disbursed.

Also called the Black Death was a deadly disease that spread through Europe and killed one out of every three people

Image: Bubonic Plague

an acute intestinal infection caused by ingestion of contaminated water or food

Image: Cholera

a process that allows the organic material in solid waste to be decomposed and reintroduced into the soil, often as fertilizer.

Image: Composting

coral bleaching

A phenomenon in which algae inside corals die, causing the corals to turn white.

Image: coral bleaching

In a body of water, an area with extremely low oxygen concentration and very little life

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