What is entropy ? Is the entropy of the universe constant?

Explanation

### Step-by-Step Solution

**Step 1: Define Entropy**
Entropy is a measure of the degree of randomness or disorder in a system. It quantifies how spread out or dispersed energy is within that system.

**Step 2: Explain the Relationship Between States of Matter and Entropy**
Different states of matter have different levels of entropy:
- **Solid:** Molecules are closely packed with strong intermolecular forces, resulting in low entropy.
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