In the past 30 years, the number of swine operations has:
a. Increased greatly c. Stayed the same
b. Decreased by almost 90 percent d. Decreased by only 10 percent
B
You might also like to view...
The performance of a particular insulation in a building component is affected as much by the ____ as by the rated R-value.
A. U-value B. quality of the air barrier C. quality of the installation and the completeness of the air barrier D. thickness of the installation
What type of program is used in the Centigrade thermometer?
A) assembly language B) ASM51 C) PSPICE D) C++
The safest way to use a meter while testing for voltage is to:
A) Rest the meter on something; do not hold it. B) Hold it loosely in case it becomes energized so you can drop it. C) Hold the meter in your mouth and a lead in each hand. D) Hold it securely to make certain it won't slip.
Good ventilation is important when working around refrigeration equipment because modern refrigerants ____.
A. are toxic and can poison you B. have an unpleasant odor C. are heavier than air and may displace the oxygen around you D. both a and c