<em></em>I feel that the answer is either A or C. Hope this helps :)
Answer: Change there to their.
A. People who read learn very quickly it's a proven fact.
Answer:
the first example of man vs nature in huckleberry Finn is when after jim and Huckleberry escape a town. Jim predicts that a storm is coming, two days later it does and they end up in a flood.
The rest also deal with the river as it is their greatest enemy throughout the book.
Explanation: