Answer:
c is z
Step-by-step explanation:
a is x
b is y
c is z
Answer:
I think the answer is 9+10 =21 or the answer is 40
Idk
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.
