The interchange that allows two expressways to cross with minimal disruption is

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.

answer; sensory craving;

answer; ecological fallacy;

the answer is:

a. a closed question always has yes or no​ answers, whereas an open question is a​ free-response question.