As we will discuss later, several methods can be used in one job; these examples are only intended to highlight what is not, and what is, a case study.
Several methods can be used in one job, and these examples are supposed to highlight what is and isn't a case study.
More than 97 million people live in areas that do not yet meet the health-based 1-hour ozone standard (based on 1997-1999 data).