Answer:
The appositive phrase in this sentence is the one between commas <em>"the messiest room in the house"</em>
Explanation:
An appositive phrase provides more information, renames or identifies the previous noun or noun phrase. In this case it identifies <em>Gordon´s room</em> as the <em>messiest room.</em>
Answer:
Proper noun is a places/persons name and common noun is the kind of place/an action
Explanation:
Radio City Rockettes and Francesca is a name and a word like "preform" is an action like how I would perform a song to to you is an action.