How often are certified organic farms inspected?
a. once a year c. three times a year
b. twice a year d. every other year
A
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Which of the following treatment methods is used to minimize hardness of the water?
a. softeners b. neutralizing tanks c. activated charcoal filters d. manganese oxidizing filters
Drawings that show a building's location along with topographic details, such as contour lines and trees, are called _____.
a. site plans b. architectural layouts c. topographic maps d. foundation views
Using a waste factor of 12 percent, determine the amount of concrete needed to pour the slab shown in Figure 11.44. The slab is 4 inches thick.
What will be an ideal response?
If the cathode voltage of a forward biased silicon diode is 4.5 V, what is the anode voltage?
A) 0.7 V B) -5.2 V C) -0.7 V D) 5.2 V