The Pollution Process in Which Oxygen Depletion of Natural Waters

question 36

Multiple Choice

The pollution process in which oxygen depletion of natural waters by increased algae growth occurs because of contaminants such as excess phosphates is referred to as ________.

• A)anoxia
• B)biodegradation
• C)eutrophication
• D)phosphorylation
• E)saponification

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Definitions:

Optic

Relating to the eye or vision, often used in conjunction with nerves, pathways, or diseases affecting sight.

Positron Emission Tomography

An imaging test that uses a radioactive substance to visualize and measure metabolic processes in the body.

Nuclear Imaging

A diagnostic technique that uses small amounts of radioactive materials to create detailed images of the organs and structures inside the body.

Electroencephalography

A diagnostic method that records the electrical activity of the brain to identify abnormalities.