London smog is found in

Options

A. Summer during day time
B. Summer during morning time
C. Winter during morning time
D. Summer during day time

Answer

**Step-by-Step Solution:**

1. **Understanding London Smog**: London smog, also known as classical smog, is primarily associated with air pollution resulting from the combustion of coal. It is characterized by a mixture of smoke and fog.

2. **Causes of London Smog**: The main contributors to London smog are:
- **Combustion of Coal**: This releases various pollutants, including particulate matter and sulfur dioxide.
- **Emission of Sulfur Dioxide**: This gas is a significant component of the pollution that leads to the formation of smog.
- **Dust and Other Particulates**: These also contribute to the overall composition of smog.

3. **Conditions for Formation**:
- London smog typically forms under specific meteorological conditions.
- It is most prevalent during the **winter months**, particularly in the **morning** when temperatures are lower, and atmospheric conditions are conducive to the accumulation of pollutants.

4. **Conclusion**: Based on the information about the causes and conditions for the formation of London smog, we can conclude that it is found during the winter season, particularly in the morning.

5. **Final Answer**: Therefore, the correct option indicating when London smog is found is during the **winter** season, specifically in the **morning**.

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