Which sentence correctly uses commas to create a compound sentence

: b : o   : 0 ; b : - )  

: b: b: b: b: b: b: b: b: b

there's only 5: 00 to complete answer can i comment

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.