Answer:
the common theme between the two excerpts is "the helplessness of humanity against nature"
Step-by-step explanation:
The two excerpts show character in adverse situations where nature revolted all its force showing how the human being is insignificant before the power that nature has.
The excerpts show that even the strongest man is invaded by uncertainty, fear and insecurity, when he is subjected to anger and the force of nature, that is, humanity is helpless when it is against nature.