How does paragraph 7 contribute to the development of ideas in the text?

Paragraph 7 contributes to the development of ideas in the text by concluding them. Conclusion has the role of finishing the thought process in the text, this way, paragraph 7 can contribute to the text's cohesion by bringing it to a conclusion of ideas, and present the final proposal.

Paragraph seven gives extra information about the main idea which is behavior and control of impulses in teenagers.

Explanation:

This article from Commonlit material focuses in the brain development during the teenage years and how it connects to changes in behavior, the first paragraphs present the thesis though examples of different situations when teenagers have shown this disturbance of character and is in paragraph seven that we come to see the evidence that can support it.