Final answer:
The fog in London caused poor visibility, poor air quality, and sanitation issues for residents.
Step-by-step explanation:
During the period described, the fog in London caused several hardships for its residents.
- Poor visibility: The dense fog made it difficult for residents to see and navigate, leading to accidents and delays.
- Poor air quality: The fog, combined with the smoke from chimneys and gas lamps, made the air in London dirty and polluted, impacting residents' health.
- Sanitation issues: The fog exacerbated poor sanitation conditions in the city, with open sewers and contaminated water contributing to the spread of diseases.