There are many types of curriculum. one type is which we do not teach. it is a curriculum that does not exit in school and it is called: A-traditional curriculum

B-Null curriculum

C-Extra curriculum

D:hidden curriculum

in what process is there a multiple choice answer?

productive most commonly means: achieving or producing a significant amount or result.

explanation:

productive can also mean:

these depend on how the word productive is used. most likely productive will mean   achieving or producing a significant amount or result.