Answer:
Don Trine enjoys interacting with the earth. This develops the theme that the earth is a living thing and it is important to connect with it.
Step-by-step explanation:
In the story "The Harvest," several farmers notice that Don Trine likes to take long walks on his own. Everyone is curious about this, and they wonder what it is that Don Trine does in his long walks. Everyone believes it must be some great secret. However, they eventually discover that Trine digs holes in order to feel the earth around his hand and arm. While most characters think he is crazy, the incident helps to develop the idea that the earth is a breathing, living thing, and that it is important for humans to try to connect with it.