The recommended humidity level for a residence should be __________% to __________% relative humidity.
A. 10, 20
B. 25, 35
C. 45, 55
D. 60, 70
Answer: C
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Which of the following practices would disqualify animals for classification as "organic"?
A) fed from automatic feeders B) given hormone injections C) fed vitamin supplements D) fed high levels of roughage
Air-insulation dams are installed to protect the insulation from ____.
a.air infiltration b.water vapor c.corrosion d.fire
A compression-sensing ignition system uses a ________ type of ignition
A) Coil-on-plug B) Waste spark C) Distributor D) All of the above
The four types of cooling mechanisms are:
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