Martha is typing on her computer. What type of communication is this? A. human-to-human B. human-to-machine C. machine-to-human D. machine-to-machine

Human-to-machine

Explanation:

It is a human typing into a machine.

I hope this helped <3

answer is:

a). backstage view

explanation:

backstage view is the area where files and data about them is managed— creating, saving, printing, sending to others, inspecting for hidden metadata or personal information, and setting options. so in this way we can add many things to our document swiftly.

i hope you get the idea.