Sometimes. If the sentence is two independent clauses then they would need either a period or a semicolon. A comma would be used if you had an independent and dependent clause.
The narrator’s knowledge and understanding.
13 is personification and
14 is a simile
Tip 1: Check the news source
Tip 2: Develop a critical attitude
Tip 3: Follow the sources
Tip 4: Look for fake pictures
Tip 5: Who else reports on it?