In other words, there should be three independent resources confirming each pieces of questionable data. This cross-checking can be done different ways.
This is a Sentence fragment because it isn't complete and does not convey a meaning. It is also not a run on sentence because it isn't just incorrectly connected two independent sentences. Therefore it is a fragment.
C. Novels are filled with great and specific detail.
Answer: the author opinion on the topic
Explanation:
Salutation signature heading inside address
