Hi there,
A noun is a person, place or thing.
Hence. the noun in this sentence is "door" because it is a thing.
Hope this helps :)
D- they canot live very long
Dorthy is simply dreaming and in the other she really travels to the land of oz
Ethos.
As in appeal to ethics. It can't be logos because that is for logic and the other because those are literary devices, not appeals.