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Illusion [34]
3 years ago
8

What environmental conditions need to be present for caves to form?

Biology
1 answer:
ANTONII [103]3 years ago
8 0

Caves are formed by the dissolution of limestone. Rainwater picks up carbon dioxide from the air and as it percolates through the soil, which turns into a weak acid. This slowly dissolves out the limestone along the joints, bedding planes and fractures, some of which become enlarged enough to form caves.

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