Which two-pipe system arrangement equalizes the distance of the supply and return water flow in the system to achieve system balance?

a. Parallel-loop system
b. Reverse-return system
c. Series-loop system
d. Direct-return system


b. Reverse-return system

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Kudzu was introduced to which part of the United States in the early 20th century?

a. Southern c. Midwestern b. Western d. Eastern

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Who determines whether a weed is considered noxious?

a. The producer c. The state government b. The marketplace d. The federal government

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Annually, the United States produces ___ percent of the world's beef supply.

A. 25 B. 50 C. 60 D. 75

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The types of lines on a plan will help the user to distinguish between differant kinds of information.

Answer the following statement true (T) or false (F)

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