Respuesta :

An observer who is inconspicuous in the room is being unobtrusive. Inconspicuous is not easily seen or noticed. Let us define each terms to understand further through their dictionary definitions:

·         Helpful is the willingness to help other people.

·         Unobtrusive is when a person does not attract attention in a way that it bothers him.

·         Obtrusive bothering people annoyingly.

·         Quiet is the state of being calm.