Why do caves form mainly in limestone landscapes such as Lovćen?
Answer and explanation
Correct answer: D. Rainwater with carbon dioxide forms a weak acid that dissolves the rock
- Step 1: Limestone is mostly calcium carbonate. Step 2. Rain absorbs carbon dioxide, becomes slightly acidic, and slowly dissolves the rock along cracks. Answer: a weak acid dissolves the rock. Why not the others: Wind, volcanic heat and waves do not explain caves in inland limestone mountains.
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