If a region experiences increased acidity from amplified lichen growth on parent rock, which pedogenesis outcome is most likely?

💡 Explanation

Increased acidity promotes chemical weathering because acid hydrolysis breaks down rock minerals, accelerating pedogenesis, therefore the parent material decomposes rather than enriching the organic or mineral availability, which are separate processes.

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• Which risk increases when a large glacial lake outburst flood (GLOF) occurs toward lower elevations?
• Which risk increases when glacial meltwater streams accelerate?