Substances that enhance the effects of other substances are _________________

While working, you should adjust the seat height so your feet are ________ the floor and your knees are equal to, or slightly lower than, your hips

a. touching b. tiptoeing on c. off d. flat on

As identified by Frederick Taylor, the phenomenon of workers purposely operating well below their capacity is called

A. slacking. B. soldiering. C. malingering. D. drudging.