Which two writing purposes best describe the excerpt that you just read from john snow's "on the mode of communication of cholera"?
to instruct
to inform
to narrate
to argue

to inform

to argue

Explanation:

Snow argues and provides supporting research about the mode by which cholera spreads. The text also has a purpose to inform the reader.

eli whitney was an american inventor best known for inventing the cotton gin. this was one of the key inventions of the industrial revolution and shaped the economy of the antebellum south.