Which two sources would be the most reliable choices to use for a research paper? a source about world war ii written by a well-respected historian a source about smartphones that was written earlier this year a source about the development of computer coding by a computer science student a source about recent special effects used in movies that was written in 1980 a source about the american civil war that was written by a middle school student

The most reliable sources for a research paper are:
1. A source about World War 2 written by a well-respected historian
2. A source about smartphones written earlier this year

The qualities to look for in reliable resources are:
1. It should be written by a person of integrity like someone who specialized in the topic, or an esteemed professor.
2. It should be relevant and up to date. If it is writing about something that is modern, or relevant to the present, then it should've been published recently.

The two statements above have these qualities. That's why they are reliable.