The number of years is discrete.
the varsity
Yes
A player can play on either however they can only play the same total number of games the varsity plays. Example if the varsity team has a 20 game schedule the player can play no more than 20 games in total. So every JV game they play in will reduce the number of varsity games they can play in by 1.
Advantages and Disadvantages of being a Varsity
There is no definite answer, it depends what kind of thing you are playing for and how good you are.
C. Milton Wright varsity baseball player
Yes, but it depends on the school sometimes, the 2nd and 3rd strings on varsity are actually JV starters. JV players can also play in the varsity games.
Yes he can start and pitch on varsity and go down to J.V. It is allowed as long as the pitcher does not play Varsity and J.V. in the same day..
he is a varsity ice hockey player for Cicero North-Syracuse
Concentrate on speed, elusiveness, and catching ability
It All depends on how skillful of a football player you are
No he can not, that he would either be inelegible to play for jv if he was good enough to play on varsity