What is certification? 1. a test that a healthcare professional must take in order to maintain his or her license
2. an official statement that an individual is qualified to do a particular job and has specific knowledge and expertise
3. a type of document that entitles a person to a discounted rate at any healthcare facility
4. continuing education credits received by attending conferences or taking short courses

The institute of international research is holding its annual convention. this year more than 500 scholars have been invited to hear research reports on many timely topics. approximately 250 big name scientists will be winging their way to washington, d.c. how can the underlined sentence be revised so that it fits the tone of the passage? a) approximately 250 people will be in washington, d.c. b) approximately 250 bigwigs will be flying to washington, d.c. c) approximately 250 science people will be going to washington, d.c. d) approximately 250 well-known scientists will be arriving in washington, d.c.