BOD

question 8

Multiple Choice

BOD:

• A) is a measure of the oxygen demand of microorganisms in the water as they break down organic material.
• B) which is too high will result in a loss of many species of fish, such as trout, which require a more significant quantity of dissolved oxygen than so-called "garbage" fish or bottom-feeders such as shad.
• C) is one measure of how polluted a body of water is.
• D) all of the above.

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Definitions:

Budget

An estimate of income and expenditure for a set period of time, often used for planning financial operations.

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