The four most common types of roof ____ are the common, the scissors, the mono pitch, and the flat.
A. trusses
B. slopes
C. rafters
D. joists
Answer: A
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The Articles of Confederation left Congress unable to
A. organize development of the western lands. B. deal with foreign affairs. C. apportion state representation equally. D. enforce a tax-collection program. E. establish a postal service.
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Flat ring gaskets are used with _____ flanges.
a. ring joint b. full-face c. raised face d. photographic
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__________ is required by the plant in amounts second only to nitrogen and has numerous functions in a plant
Fill in the blank(s) with correct word
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Which vegetation manipulation tool generally involves the lowest cost?
A) Burning B) Biological control C) Herbicidal control D) Mechanical control
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