What is the purpose of headings? a. to make the document more attractive b. to the reader find relevant information quickly c. to call attention to visual elements d. to include missing steps

b to the reader

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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.