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← GeographyWhich outcome is most immediate during intense pyroclastic surge?
A)Widespread forest incineration results rapidly✓
B)Lahars trigger downstream flooding events
C)Atmospheric aerosols globally reduce insolation
D)Long-term ecological succession commences later
💡 Explanation
Forest incineration happens because pyroclastic surges carry extreme heat and gases; the mechanism is rapid convective heat transfer. Therefore, immediate burning occurs first and fastest, rather than being delayed like mudflows, global dimming effects or ecological rebound processes.
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