Not necessarily.
They are called substitutes.
no
You have to start early, and show interest in the game, to impress the scout, having pace will help you.
If the team runs out of goalkeepers, they will have to send on a substitute outfield player to have a go. If they have ran out of substitutions, they have to send a player who is already on the pitch in. They have to put the keeper's shirt on, and his gloves.
The soccer player is lying down due to injury or exhaustion during the game.
If a referee gets in the way during a soccer match, it can disrupt the flow of the game and potentially lead to a player losing possession of the ball or missing a scoring opportunity. The referee may also risk getting injured if they are accidentally hit by the ball or a player.
No, rugby was invented during a game of soccer or as i say it football.
sub
No. Once a player is substituted for, they may not reenter.
Only if he scores a hat trick.
The status of the injured player for the upcoming football game is To Be Determined (TBD), meaning a decision has not been made yet on whether they will be able to play.
A lot.