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Why can the problem of a mixture of haze and fog increase in cities?

Answer and explanation

Correct answer: Due to pollution particles and moisture in air

Correct answer: B, pollution particles and moisture in the air. Fog consists of tiny water droplets suspended near the ground, while haze reduces visibility because of fine particles, often including pollution. In a city, smoke, dust, and other pollutants can provide surfaces on which water vapour condenses. When moist air cools and these particles remain suspended, visibility can fall sharply and a haze–fog mixture may develop. A is incorrect because very clean air supplies fewer particles for condensation and haze. C does not directly explain this urban atmospheric condition. D may influence broad climate patterns but is not the immediate cause described here. Memory cue: urban haze plus fog usually means particles plus moisture plus suitable cooling.

Related tags

GeographyUrban FogPollution ParticlesHumidityEvaporationAnd CondensationHumidity Evaporation And CondensationWater In The AtmosphereClass 12 Mcq

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