Classify the following as chemical or physical changes.
cutting of trees

Explanation

To classify the cutting of trees as a chemical or physical change, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Definitions**:
- **Physical Change**: A change that affects one or more physical properties of a substance without altering its chemical composition. No new substance is formed, and the original substance can often be recovered.
- **Chemical Change**: A change that results in the formation of new chemical substances. This change involves a rearrangement of atoms and often cannot be reversed to obtain the original substance.

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