A note where each line passes through the building wall indicates the ____ elevation (elevation of the bottom of the inside of the pipe).

A. obverse
B. negative
C. invert
D. reverse


Answer: C

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List three measures, other than treating the NOx generated by those processes, that can be taken to reduce the amount of NOx produced in combustion processes.

What will be an ideal response?

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ELISA is a blood test that:

A) detects the FeLV virus in the saliva B) detects the FeLV virus in the feces C) detects the FeLV virus in the blood D) must be sent out to a diagnostic laboratory

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The name most often used to describe the universal joints on a conventional rear-wheel drive vehicle drive shaft is _______

A) Cardan B) Spider C) CV D) Trunnion

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Asphalt shingles are the most common form of roofing in the United States, comprising _____ of the residential roofing market.

A. one-third B. two-thirds C. one-half D. three quarters

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