QUESTION 4 Those are my
toys on the floor. They didn't put them away.
O A. children's
O B. childrens'
O C. childrens

answer; /// the correct answer to the above statement is (a) because of the decline on native american labor forces;

there is a sequence and logical steps to give an answer of a trouble.

1) strategy is necessary to develop an project idea.

2) to study and know the environment where you are going to work ( ecosystem).

3)   the materials resources to built the ideas.

4) to give a priority order in the context that you study. in this case human needs.