A boundary defines the dividing line between a system and everything else

Indicate whether the statement is true or false


TRUE

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For a spot speed study in which 100 observations were obtained, the mean speed was 52 mi/h and the standard deviation was 4.6 mi/h. What is the margin of error on the estimate of true mean speed obtained from this sample? What is a reasonable estimate of the 85th percentile speed based on the information available?

What will be an ideal response?

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A stage-discharge curve is a

a. plot of minimum streamflow and probability of occurrence b. graph of water level in a river and corresponding flow rate c. plot of rainfall intensity and duration of rainfall events d. graph of pumping head and pumping flow rate e. plot of hourly water consumption versus time of day

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The high-voltage electronic control unit (HV ECU) controls the two motor generators (MG1 and MG2) and the engine based on ____ demand.

A. battery B. torque C. modular D. charge

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Environmental regulation:

a. Is a key aspect of food safety. b. Contributes to an industrialized agriculture. c. Deals with the conservation of resources. d. All of the above. e. None of the above.

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