A passage reads: 'Wildland-urban interface (WUI) fires present unique hazards including rapid fire spread driven by terrain, fuel type, and wind. Firefighters must continuously monitor for changes in wind direction and maintain escape routes at all times.' According to the passage, what three factors drive rapid fire spread in WUI fires?
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A
Temperature, humidity, and time of day
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B
Terrain, fuel type, and wind
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C
Slope, water access, and crew size
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D
Vegetation density, temperature, and drought index