Its DBC, cause two is in that point so you just find the answer choice with those three letters in the right order.
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.
Answer is d. -5/3 because y2-y1 =x2-x1
Answer: 18 (b)
Step-by-step explanation:
3x6=18