How do the following changes differ from one another?
Melting of wax

Explanation

### Step-by-Step Solution:

1. **Understanding the Process**:
- Melting of wax involves heating solid wax until it transforms into a liquid state.

2. **Identifying the State Change**:
- Initially, wax is in a solid state. When heat is applied, the solid wax absorbs energy and changes into liquid wax.

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