Can you describe how limestone caverns form

Rainwater picks up carbon dioxide from the air and as it filters 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.

0.93xc=0.93x3x10^8m/s

2.54cm is 1 inch

360seconds i 1 hr