What is marine pollution ?

Explanation

**Step-by-Step Solution:**

1. **Understanding Marine Pollution**: Marine pollution refers to the contamination of ocean waters due to various human activities. This pollution can adversely affect marine ecosystems, wildlife, and human health.

2. **Definition**: Marine pollution is defined as the introduction of harmful substances or pollutants into the ocean or seas. This can include chemicals, waste, and other materials that disrupt the natural balance of marine environments.

3. **Sources of Marine Pollution**: The primary sources of marine pollution include:
- **Industrial Discharges**: Factories and industries often release waste products directly into rivers, which eventually flow into the ocean.
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