Select the cause of water pollution

Options

A. Washing clothes
B. Washing animals
C. Industrial waste
D. All of the above'

Answer

To solve the question "Select the cause of water pollution," we will analyze each option provided and determine whether it contributes to water pollution.

### Step-by-Step Solution:

1. **Identify the Options**:
- We need to look at the options given in the question. The options include activities such as washing clothes, washing animals, and industrial waste.

2. **Evaluate Washing Clothes**:
- When clothes are washed near water bodies, the soap and detergent used can enter the water. These substances can be harmful and make the water unfit for drinking and other uses.
- **Conclusion**: Washing clothes is a cause of water pollution.

3. **Evaluate Washing Animals**:
- Washing animals in rivers or lakes can introduce dirt, waste, and chemicals into the water. This can also lead to contamination and pollution of the water bodies.
- **Conclusion**: Washing animals is a cause of water pollution.

4. **Evaluate Industrial Waste**:
- Industries often discharge waste that contains harmful chemicals and pollutants into nearby water bodies. This can severely affect the quality of water and harm aquatic life.
- **Conclusion**: Industrial waste is a significant cause of water pollution.

5. **Select the Correct Answer**:
- Since all the options (washing clothes, washing animals, and industrial waste) contribute to water pollution, the correct answer is "all of the above."

### Final Answer:
The correct answer is option number 4: **all of the above**.

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