10 things
1. formal
2. structured in an organized format
3. can have subtitles for the different sections
4. must have references at the end of the article
5. must have a discription of the author
6. can contain graphs or charts or pictures to support article.
7.usually biographal in structure
8. research usually sometimes based on experience then expounded upon
9. must have a title
10. avg between 7-14pages long