That depends on the league. Many leagues will allow substitutes, while some will only allow pacers1 and others won't allow any sort of substitution at all.
The anchor bowler
A bowler is not permitted to cross the foul line.
yes
No. The same bowler must continue the bowling.
about 227 per game
Sean rash in the PBA
No it just as your bowler's ID number on it.
Yes
A bowling enthusiast is called a "kegler."
With the advent of better, lighter bowling balls, there isn't a set average. A lot depends on the ability of the bowler and skills of the bowler.
The average score of a Pro Bowler in professional bowling competitions is typically around 200-220 points per game.
When a bowler throws a bowling ball, Newton's 3rd law is demonstrated as the bowler exerts a force on the ball, causing it to move forward. In response, the ball exerts an equal and opposite force back on the bowler, pushing them slightly in the opposite direction. This interaction between the bowler and the ball showcases the principle of action and reaction forces in motion.