A) The penalty imposed when an offense is made by a team or an unknown team player is : Major penalty ( B )
B ) The substitution of the entire team at once is called : Line change ( D )
A major penalty in Ice hockey is the removal of a team player from a game for a period of 5 minutes without an option of replacement, this is done when the team commits an offense or the offender is unknown. while
Hence we can conclude that The penalty imposed when an offense is made by a team or an unknown team player is : Major penalty and The substitution of the entire team at once is called : Line change ( D )
Learn more about penalties in ice hockey : https://brainly.com/question/24806873