The transition to middle school or junior high school is stressful because Question 23 options: A) students have less independence than they did in elementary school. B) students have to shift to a team-oriented approach. C) students have too many subjects from which to select their courses. D) many changes are taking place at the same time.

Explanation:

Clearly if you are given those choices, the answer is D. One of the biggest ones is a new interest in the opposite sex. The other choices also matter but not as much. There are also body changes taking place, which are connected to D, but D is still the answer.

i truly dont know the answer wait i do its 1,3,4

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.