Answer:
22 weeks
Step-by-step explanation:
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.
33 - 4 = 29.
29 / 2 = 14.5
She traveled 14.5 miles in the cab.
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