PLEASE HELP. It's a 150 word minimum but if you just give me a general idea I can hit that minimum. I just have no idea what to write about. This is a high school project so dont give me something at an elementary school level. Thank yall so much. (Giving 50 pts)

What is the main difference between primary and secondary sources? a. primary sources are historical documents, and secondary sources are modern-day documents. b. primary sources are derived from museums and archives, and secondary sources are created by history students and academics. c. primary sources are found in ancient places with a rich history, and secondary sources are found in historical journals and blogs. d. primary sources are created during a particular historical era, and secondary sources are created by studying primary sources.

1. what potential advantages could companies like standard oil offer consumers?

What will cause your license to be revoked