A cloud releases freezing rain. A tree root breaks apart a rock. Dry weather results in a small harvest. Sediments flow into a bay.
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Which process is the best example of weathering?
Possibilities:
- A cloud releases freezing rain.
- A tree root breaks apart a rock.
- Dry weather results in a small harvest.
- Sediments flow into a bay.

A tree root breaks apart a rock.