What are biodegradable and non-biodegradable pollutants ?

Explanation

### Step-by-Step Solution:

1. **Define Biodegradable Pollutants**:
- Biodegradable pollutants are substances that can be broken down by natural processes, specifically by the action of microorganisms such as bacteria and fungi.
- **Key Point**: They can be decomposed by microbes.

2. **Define Non-Biodegradable Pollutants**:
- Non-biodegradable pollutants are substances that cannot be broken down by natural processes. They remain in the environment for a long time without decomposing.
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