<span>after sentence 6 to support the topic sentence
This sentence shows a specific way that researchers are working on solar power. It also sets up the rest of the paragraph that shows how and why solar power is such a good alternative to fossil fuels. </span>
Characters dialogue would be my answer. is the best to look at.
Answer:
The human instinct to survive is strong - 1st paragraph
Its not always easy to face your emotions - 2nd paragraph
Language can be powerful - 3rd paragraph