Yes, there is a hyphen in "fresh-air" when used as a compound adjective before a noun, such as in "fresh-air activities." However, when used as a noun on its own, it is typically written without a hyphen, as in "I enjoy fresh air."
You say "A hyphen" because the sound of the letter "H" at the beginning of the word "hyphen" is pronounced, making it a consonant sound.
No, it does not have a hyphen.
It Is A Special Hyphen
A colon is this : and a hyphen is this -
multimedia - NO hyphen
No there's not a hyphen.
It does not need to have a hyphen! :)
hyphen
Non-breaking hyphen
does time-line have a hyphen
No, deworming is not spelled with a hyphen.
If you mean the word for 19, then there is no hyphen and it is nineteen, not nine-teen.