Which risk increases when CO2 levels rise within karst cave systems?

💡 Explanation

Increased CO2 concentrations enhance carbonic acid formation and accelerate chemical weathering; dissolution occurs because carbonate bedrock reacts with carbonic acid via *carbonation*, therefore the risk increases, rather than reduced rock dissolution rates that reduced CO2 levels promote.

• Which condition causes increased cave system formation via dissolution?
• Which hydrogeological consequence results when thermokarst lakes excessively expand?
• Which phenomenon causes stronger, more sinuous meanders in subtropical jet streams?
• Which outcome occurs along coastlines during repeated storm surges?
• Which outcome occurs when persistent abrasive winds sculpt desert rocks?
• Which consequence results when river avulsion occurs near an oxbow?