Give reasons :
It is difficult to find absolutely pure water in nature.

Explanation

### Step-by-Step Solution:

1. **Understanding Pure Water**:
- Pure water is defined as water that contains only H2O molecules. This means it should not have any dissolved substances such as salts, gases, solids, or other liquids.

2. **Nature of Water**:
- Water is known as a universal solvent. This means that it has the ability to dissolve a wide variety of substances.

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