Choose the TWO options below that makes this article a secondary source

A he author of the article was personally involved in or witnessed the events or research described.
B he author of the article was personally involved in or witnessed the events or research described.
C It provides overviews, indexes, or encyclopedic information.
D The author who was not there firsthand.

1 answer

C It provides overviews, indexes, or encyclopedic information.
D The author who was not there firsthand.