There are two teams each of two players. Each team hits the same ball, taking alternate shots.
That is the correct spelling of "foursome" (a group of four, as in golf or cards).
A two piece golf ball has only two parts. The core and the outer cover. These balls tend to be firmer and have a lower spin rate than a three or four piece golf ball.
A Golf Ball
It is a golf ball that has the logo of a resort/golf course printed on the ball.
That would be a golf ball.
A golf ball.
two ways to use it is to use it as a soccer ball and use it as a golf ball
A foosball out of those two would be more like a golf ball because it is quite solid. It is basically a perfectly smooth, hard plastic ball.
a Golf ball