The cells on most electronic air cleaners can be cleaned:
A) With a fine-grit emery cloth.
B) By spraying them in place using a solvent that is certified to be high in volatile organic compounds.
C) By spraying them in place with an air-conditioning coil cleaner.
D) In the dishwasher.
D
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Which of the following is known to be the most serious health-related risk?
a. Microbiological contaminants such as E. Coli. b. Pesticides. c. GMOs. d. Disrupting nature. e. Animal welfare.
Heat moves into and out of buildings by three different routes: conduction, ____, and radiation.
A. induction B. convection C. expression D. equilibrium
In 1800, Alessandro Volta was experimenting with producing electricity. He called his battery _____.
A. cell B. secondary cell C. voltaic pile D. D-cell
The process of sending multiple signals of information at the same time over a signal wire and then separating the signals at the receiving end is called ________.
A) Modulating B) Multiplexing C) Rectifying D) Controller Area Network