Music appreciation the sections of the mass that remain unchanged throughout the year are known as the a ordinary. b. liturgy. c. processional. d. proper.

you didnt add any sort of groups or any options, you can edit it and then people can try to answer now its kinda hard.

hope this gives you a heads up why you arent answered. : d

have a great rest of your day!

the answer would be (b). the stave church in borgund, norway is an example of norse architecture.