What three ratios do decibels represent?
A. Powers, voltages, currents
B. Powers, voltages, frequencies
C. Voltages, frequencies, impedances
D. Logarithms, voltages, currents
A
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The introduction of American plants around the world resulted in
A. rapid population growth in Europe. B. many illnesses, caused by the new germs contained in these food-stuffs. C. an African population decline. D. very little change. E. an increase in obese people.
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Which of the listed items below would explain why some people procrastinate?
A) They don't want to do the task B) They believe the task is too hard or unpleasant C) They don't understand the task D) All of the above
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____________ are physical barriers or devices that prevent employees from coming in contact with blood borne pathogens.