Question

Which of the following must always be found in nonfiction writing?

Answer 1

Imaginative Plots would be found in fiction. 
Descriptive language would be found in plays and fictions story's to draw the readers attention. However its also found in nonfiction writing to make some stories or facts seem more interesting.
Facts are found in nonfiction books like textbooxs, Journals, and travel books.
Statistics would be found in newspapers and current news. 

Hope this helped 

Answer 2

A.  is correct~~Facts