Question

10 points!!!!!!!!Which source is an example of a primary source

Answer 1

D. A book about the history of snack food in the United States.

Step-by-step explanation:

Primary source is sources created as a time or event is occurring.

Answer 2

D. A book about the history of snack foods in the United States

Step-by-step explanation:

All of the others can't get exact information on because people like different things and allergies as well.