Can a shooter shoot in both 5 meter (BB) and 10 meter matches?
Yes, as long as they are on a team qualified to shoot as a member of team shooting in BB match (5 meter) they can shoot in 5 meter, and they can also shoot in 10 meter matches. There is no qualification to shoot in 10 meter. A shooter can shoot in 10 meter and not be qualified to shoot in 5 meter.