Most abundant water pollutant is

Options

A. Detergents
B. Pesticides
C. Industrial wastes
D. Ammonia

Answer

To determine the most abundant water pollutant from the given options, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Options**: The options provided are detergents, oil spills, pesticides, and industrial waste.

2. **Understand Water Pollutants**: All the options listed are known water pollutants. However, we need to assess their prevalence in water bodies.

3. **Analyze Each Option**:
- **Detergents**: Commonly found in household waste, but not the most abundant in industrial contexts.
- **Oil Spills**: Significant but usually occur in specific incidents rather than being a constant presence.
- **Pesticides**: Used in agriculture and can contaminate water, but their concentration varies widely.
- **Industrial Waste**: This includes a wide range of pollutants released from factories and industries, which can be present in large quantities.

4. **Determine the Most Abundant Pollutant**: Among the options, industrial waste is known to be the most prevalent water pollutant due to the continuous discharge from various industrial activities.

5. **Conclusion**: Therefore, the most abundant water pollutant is **industrial waste**.

### Final Answer:
The most abundant water pollutant is **industrial waste**.

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