What is the purpose of the third paragraph of this article

Dogs make wonderful pets because they us stay happy and healthy. the topic sentence is "dogs make wonderful pets." , is this correct? i keep doubting myself.

Review the previous excerpt from barbra jordan’s speech. answer the following 3 questions in the space below.

Melinda is reading a story that has several characters. the character chloe is described in great detail and has several unique traits. what kind of character is chloe