Answer: Topic sentences have a dual purpose to communicate the purpose of the paragraph and relate the paragraph back to the thesis. Or if you talking about something exciting, topic sentences have a dual purpose to communicate the purpose of the paragraph and provide exciting details.
Explanation: Hope this helps:)
Answer:
B. The Mississippi River is not as beautiful as Twain remembered as a child.
Explanation:
Twain was a steamboat pilot. He learned about the technical aspects of a river. When he was a child he was really amazed with the beauty of the river but as time went on the river became less attractive and beautiful. When he became the pilot he losses value of beauty of the river to him.