Which country has most water pollution?

Explanation

### Step-by-Step Solution:

1. **Understanding Water Pollution**:
- Water pollution, also known as aquatic pollution, refers to the contamination of water bodies such as rivers, lakes, and ponds. This contamination can be caused by harmful substances, including chemicals and microorganisms.

2. **Identifying Causes of Water Pollution**:
- The main contributors to water pollution include:
- **Chemicals**: Industrial waste, agricultural runoff, and other pollutants that enter water bodies.
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