Measuring components are either subtractive or consumptive.
Which statement correctly describes these two concepts?
A. Subtractive measuring components are associated only with water service, whereas consumptive measuring components are for gas and electric services.
B. Subtractive measuring components are used to measure demand, whereas consumptive measuring components are used to measure how much was consumed since the previous reading.
C. Subtractive measuring components are associated with deductive meters, whereas consumptive measuring components are not.
D. A subtractive measuring component’s consumption for a given period of time is the end measurement minus the start measurement. A consumptive measuring component’s consumption is simply the measurement itself, and representsthe consumption for the period of time since the previous measurement was taken.
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