A ____ is a rule of conduct established and enforced by an authority or governing body, such as the federal government. 

Which of the following has caused personnel management to become more sophisticated in recent years?

A) Improvements in technology B) Higher employee educational levels C) Higher employee expectations D) All of the above

An effective way to prevent strain on the body is to avoid sitting in one position for long periods of time

a. True b. False Indicate whether the statement is true or false