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प्रश्न
Define the term smog.
परिभाषा
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उत्तर
Smog : Oxides of nitrogen form a mixture of smoke and fog known as smog which affects our eyes too.
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क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
Define the term smog.
Smog : Oxides of nitrogen form a mixture of smoke and fog known as smog which affects our eyes too.