GS-12015 • Q3
Mumbai, Delhi and Kolkata are the three mega cities of the country but the air pollution is much more serious problem in Delhi as compared to the other two. Why is this so?
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Desertification Dynamics and Sand/Dust Storm (Aeolian) Extremes
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GS-12013 • Q2
Major hot deserts in northern hemisphere are located between 20-30 Hot Deserts degree north and on the western side of the continents. Why?
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