Indicator Bacteria for Contaminated Water Are

question 47

Multiple Choice

Indicator bacteria for contaminated water are:

• A)coliforms.
• B)Clostridia.
• C)Staphylococci.
• D)all bacteria,since there should be no bacteria at all in treated water.

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Definitions:

Hypothesis

A proposed explanation for a phenomenon, made as a starting point for further investigation, that can be tested through experimentation or observation.

Desirable Feature

A trait or characteristic of a product, person, or concept that is attractive and makes it preferable.

P Value

A statistical measure that indicates the probability of obtaining the observed results of a study by chance alone, often used to test hypotheses.

Correlational Study

A research method that examines the relationship between two or more variables to determine whether and how they change together.