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Why does driving on roads become difficult in fog?

Answer and explanation

Correct answer: Because visibility becomes low

Direct answer: B, because fog reduces visibility. Fog contains many tiny water droplets suspended in air. These droplets scatter light, making distant objects, road signs, lane markings, pedestrians, and other vehicles difficult to see clearly. Drivers then have less time and distance to identify hazards and judge speed or direction, so travel becomes more difficult and risky. B is correct because reduced visibility is the main direct effect relevant to road driving. A is wrong because a road does not become a sea; fog only reduces what can be seen. C is wrong because gravity continues to act normally in foggy air. D is wrong because fog does not physically stop every vehicle; it makes movement difficult by limiting sight and may lead drivers to slow down or stop for safety. Safe driving requires lower speed, greater following distance, and appropriate lights, but the central geographical cause is poor visibility. Memory cue: fog hides the road, not the road itself.

Related tags

FogVisibilityTransportRoad SafetyForms Of Condensation: DewFrostAnd MistForms Of Condensation Dew Frost Fog And MistWater In The AtmosphereGeography

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