Topic: Salient features of world’s physical geography.
1. In detail, explain the mechanism behind formation of fog. What are the various factors that aid the formation of smog and its impact? (250 words)
Difficulty level: Easy
Reference: Indian Express , Insights on India
Why the question:
For two consecutive mornings, dense fog has enveloped northwestern India, including Delhi, Punjab, Haryana, parts of Uttar Pradesh, and parts of Rajasthan.
Key Demand of the question:
To write about the mechanism of formation of fog, factors aiding formation of smog and its impact.
Introduction:
Begin by defining fog as a type of condensation.
Body:
First, write about the mechanism that leads to the formation of fog in the atmosphere.
Next, write about smog and the factors that result in the formation of smog.
Next, mention the adverse impact of smog on – weather, health, transportation, buildings, plants etc.
Conclusion:
Conclude by mentioning steps to overcome the adverse effects of smog.