Authenticity of the Quran Part 5: Was the Quran copied from earlier scriptures?

This video is the fifth of a 7-part series that explores why Muslims believe the Quran is the Word of God. Biblical and other Eastern scriptures emerged before the Quran. Thus, it is plausible that these earlier scriptures may have been used as a resource to write the Quran. This video explores this contention with reference to specific contents of the Quran and what other reasons may exist for the similarities of beliefs expressed in all scriptures.