● ¿Conociendo mis orígenes y mi historia voy construyendo mi identidad?

all you have to do is look at the pictures to find hope this is the lesson you were also hope this .

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; control group;

answer; they systematic design, collection, interpretation and reporting of information to marketers solve specific marketing problems or take advantage of market opportunities;