There is no narration, dialogue or statements......
Not vary relevant to the main plot line of the story
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.
It's the last one. we know this because it talks about how even with the smart hands of a scientist, the plan is not completely foolproof, or safe
