Presence of more organic wastes in waste water increaso................ but decreases ..................

Explanation

**Step-by-Step Solution:**

1. **Understanding the Terms**:
- **Organic Waste**: Refers to materials that come from living organisms, which can be decomposed by microorganisms.
- **BOD (Biochemical Oxygen Demand)**: This is the amount of oxygen that microorganisms will consume while decomposing organic matter in water.
- **DO (Dissolved Oxygen)**: This is the amount of oxygen that is present in water, which is essential for the survival of aquatic organisms.

2. **Effect of Increased Organic Waste**:
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