Telling or explaining something to someone
The invention of Agriculture affected human birth and death rates by lowering death rates and raising birth rates. It also affected population because it raised it.
I thinks its A she seemed to know to accept
Its very hard to answer this question when all we get is the question without context let me give you a few.
Informational writings
Science Textbooks
News articles
Biographies
Literary Nonfiction
Personal Essays
Speeches
Almanacs
atlas
autobiography
brochures
expository texts
and many many more, hope this helps.