The BOD Is a Measurement of the Amount of Bacteria

question 60

True/False

The BOD is a measurement of the amount of bacteria present before and after the sewage treatment process.

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Definitions:

Stress

A state of mental or emotional strain or tension resulting from adverse or demanding circumstances.

Theory

A systematic set of ideas or principles explaining a phenomenon or a body of facts, often based on general principles independent of the things being explained.

Hypothesis

A proposed explanation for a phenomenon, made as a starting point for further investigation.

Variables

In research and mathematics, variables are any characteristics, numbers, or quantities that can change or vary from one individual, situation, or experiment to another.