What they SHOULD do is hand the ball to the ref and jog off to the sideline like a classy player. Not like those NFL players that dance around like they've never scored a touchdown before in their life.
Same time as tackle football, when a player gets in the end zone with the football, but usually its not a rushing touchdown in flag football.
The goal of football is to move the ball down the field and into the end zone for a touchdown.
boo who
Yes, a passing touchdown does count as a touchdown in football.
yes?
yes
Another football is brought out to continue gameplay.
Nothing. This happens more than you may think. Many players keep the football when it is a particularly meaningful touchdown to them (like their first or a record breaking touchdown).
Thermal
A touchdown in American football occurs when a player carrying the ball crosses the opponent's goal line into the end zone, scoring six points for their team.
any player on the offensive team
A touchdown is worth 6 points in football.