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प्रश्न
The smog is formed by ______.
विकल्प
smoke and fog
smoke and bog
smut and fog
smut and bog
MCQ
रिक्त स्थान भरें
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उत्तर
The smog is formed by smoke and fog.
Explanation:
Smog combines smoke (particulate matter) and fog (water droplets) along with pollutants like nitrogen oxides and hydrocarbons emitted by vehicles and industrial activities. These components mix in the atmosphere, especially under certain weather conditions, leading to the formation of smog, which reduces air quality and visibility.
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