An example of natural pollution is

Options

A. Volcanoes
B. `SO_(2)`
C. DDT
D. Smoke

Answer

**Step-by-Step Solution:**

1. **Understand the Concept of Natural Pollutants**: Natural pollutants are substances that originate from natural processes and do not involve human activity. They contribute to what is known as natural pollution.

2. **Identify Examples of Natural Pollutants**: Common examples include volcanic dust, sea salt, ozone, and forest fibers. These substances are produced through natural phenomena.

3. **Analyze the Given Options**:
- **Option 1: Volcanoes** - Volcanic eruptions release ash and gases into the atmosphere, which are considered natural pollutants. This is a correct example.
- **Option 2: Sulphur Dioxide** - While it can be produced naturally, it is often associated with human activities (like burning fossil fuels), making it a primary pollutant in many contexts. This is incorrect.
- **Option 3: DDT** - This is a synthetic pesticide and is not a natural pollutant. This option is incorrect.
- **Option 4: Smoke** - Smoke can come from natural sources (like wildfires) but is often associated with human activity (like burning fossil fuels). It is generally considered a primary pollutant. This is incorrect.

4. **Conclusion**: After analyzing the options, the only example of a natural pollutant is **Option 1: Volcanoes**.

**Final Answer**: An example of natural pollution is **Volcanoes**.

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