Give a note on water pollution.

Explanation

### Step-by-Step Solution on Water Pollution

**Step 1: Definition of Water Pollution**
Water pollution refers to the alteration of water's physical, chemical, or biological properties, resulting in harmful changes. These changes can negatively impact the health of ecosystems and human beings.

**Step 2: Causes of Water Pollution**
The primary cause of water pollution is the disposal of harmful waste into water bodies. This waste can come from various sources, including:
- **Industrial Waste:** Discharged from factories and industries, often containing harmful chemicals.
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