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Geography

Which ecosystem failure initiates in limestone caves during extended drought?

A)Nutrient availability through slowed leaching
B)Habitat reduction via speleothem growth
C)Troglobite extinction from predator invasion
D)Food web collapse through bacterial bloom

💡 Explanation

Reduced water percolation during drought diminishes dissolved mineral transport, which results in nutrient deficiency due to leaching, because resources cannot replenish; therefore nutrient loss is correct, rather than other community changes that require more complex interactions.

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