The U.S. Department of Energy's climate zones are based on

A) the exterior humidity.
B) the exterior air temperature.
C) precipitation.
D) A and B.
E) B and C.


D) A and B.

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When an operator hoists a load, adding layers of wire rope to the hoist drum, the crane’s maximum available line pull _____.

a. remains the same b. increases c. decreases d. can increase or decrease

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Which of the following statements about steel studs is not true?

a. Steel studs are stronger and lighter than wood studs. b. Steel studs will not warp, swell, split, or burn. c. Steel studs are harder to handle than wood studs. d. Steel studs are connected using self-tapping sheet-metal screws.

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What was the most common way that natural scientists shared their ideas and knowledge during the early modern period?

a. public demonstrations and lectures b. membership of scientific societies c. written correspondence d. elite support and patronage

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A ____ is located at the bottom of the smoke chamber behind the damper.

A. chimney liner B. flue C. smoke shelf D. chimney

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