Which three paragraphs in this excerpt from the article "the melting artic" from the european environmental agency rely on expert opinion to support the organizations point of view?

can you tell me the answers to this

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.

i do not see anyy sentence you are asking for me to read

i would need to know the specific part of the passage your referring to ?