I believe it's unknown since the Mississippi is the predicate and unknown is a describing word, a.k.a. an adjective but I'm not sure
Good luck, hope I helped!
To see if it sounds right out loud so you can make corrections, hope that helps!
Answer:
Topic sentences are followed by supporting details.
Explanation:
When writing a report, the student can adopt different organizational structures that match more with the text he will write. However, one of the most efficient structures for writing a report is the use of topical phrases followed by supporting details.
This structure is efficient, because it allows the author to establish an argument or an essential statement for the report, with several supporting phrases that prove that the statement or argument is true, in addition to enriching the text and showing that the author has researched and prepared to write it.
Is this from a book poem ? sounds familiar. give more details please