Question

which is a complete sentence? dad will get the newspaper, he will eat breakfast and read. the history guide at the museum talked about the revolution.

Explanation:

A complete sentence has a subject and a predicate and expresses a complete thought. The first option "Dad will get the newspaper, he will eat breakfast and read." is a run - on sentence (two independent clauses joined without proper punctuation or a conjunction). The second option "The history guide at the museum talked about the revolution." has a subject "The history guide" and a predicate "talked about the revolution" and is a complete thought.

Answer:

The history guide at the museum talked about the revolution.