Mention the information that the health workers derive by measuring BOD of a water body.

Explanation

### Step-by-Step Solution:

1. **Definition of BOD**:
- BOD stands for Biochemical Oxygen Demand. It is a measure of the amount of dissolved oxygen that microorganisms will consume while decomposing organic matter in water.

2. **Importance of BOD Measurement**:
- Measuring BOD helps health workers assess the level of organic pollution in a water body. It indicates the health of the aquatic ecosystem and the potential impact on human health.

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