Up to 14 in USAV Volleyball. It may depend on what organization you are playing with, though.
Yes there are substitutes in volleyball but a coach/team can only have so many subsitutions. There can only be 10 subsitutions per game and an overall 30 substitutions for a match of 2 out of 3 games or an overall of 50 substitutions for a match of 3 out of 5 games.
There are 15 players on a pitch, there are 22 members on a squad, allowing fro seven subsitutions during the game.
There are no quarters in a volleyball game. Their called "sets" its a game and you either play best 2 of 3 or 3 of 5.
at least 6.
6
A Volleyball game lasts up to an hour in Junior competitions
12 scource.
about 100 seats
There are usually 2 referees in a volleyball game. One is on the stand and one is on the floor.
6 people
6 players
15