Ammonia is heavier than air and will sink to the bottom of a manure pit.
Answer the following statement true (T) or false (F)
False
Ammonia is a toxic gas that is not heavier than air.
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What are the two dangers that must be avoided when using computerized estimating?
What will be an ideal response?
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This surface finish roughness height, in microinches, is a good machine finish made with sharp tools, high speeds, and extrafine feeds and cuts.
a. 16 b. 32 c. 63 d. 125
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The _____ became the model for the zoological gardens that were later developed in the United States
a. Berlin Zoo b. Central Park Zoo c. Regent's Park Zoo d. Hagenbeck Zoo
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PVC roofing is composed of plastic waterproofing combined with a ____ reinforcement layer.
A. fiber B. metal C. plastic D. rubber
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