For most residential systems, a ____ cfm vacuum pump is adequate.

A. 3
B. 4
C. 5
D. 6


Answer: B

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Which of the following treatment methods is used to kill bacteria and other harmful organisms?

a. diatomaceous earth filter b. activated charcoal filter c. ultraviolet radiation d. neutralizing tank

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Ethical compliance is the extent to which an organization’s members follow basic ethical

standards of behavior.

Indicate whether the statement is true or false.

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? Identify and state the historical significance of John D. Rockefeller.

What will be an ideal response?

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For which of the following measurements is area used?

A) Surfaces B) Lines C) Depth D) Volume

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