The word you're looking for is "permit." A permit is an official document that grants someone the authorization to perform a specific action or activity. It can apply to various contexts, such as building, driving, or holding events.
The term is two words "white paper" for an official report or other document.
Apart is one word meaning separate or distinct (from something else). It is two words when you are talking about a part in your hair or a part of your body.
One word, "proofreading", checking for written errors or deficiencies. (The two-word form means something different.)
In the context of something showing scores in a competition of some kind, then yes it is one word.
Action
I believe that a paper collage involves one cutting out paper, and gluing it to 'something' else.
Yes, it describes something. "The paper was unstuck" describes the paper as being unstuck.
Although there are not references, the compound form would be one word, cornstock (paper).
It is two words
The word is paper: paperweight fly paper sandpaper
Sheets of paper in one envelope are called a ream.
Onions release gases that can escape through the pores of a paper bag, allowing the smell to permeate. Plastic bags are more airtight, trapping the gases inside and preventing the smell from being detected as easily.
something
filtrate
To recover something, or to retrieve it.
Possession
Overambitious is one word. It means to be excessively ambitious about something.