____ septic systems mechanically inject air into a waste collection tank, encouraging decomposition, which provides a higher quality effluent.
A. Mechanical
B. Injection
C. Anaerobic
D. Aerobic
Answer: D
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If a detail drawing is not a typical construction standard, where is it normally shown?
What will be an ideal response?
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____ is lumber used for general building purposes.
A. Shop lumber B. Yard lumber C. Finish lumber D. Factory lumber
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Which refrigeration hose end has a Schrader valve core depressor?
A) Both ends have a core depressor. B) Neither end has a core depressor. C) The angled end D) The straight end
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____ million black people were enslaved in the South in 1860. .
A. One B. Two C. Four D. Eight E. Ten
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