Q: Fact 1: Stalactites are formed by deposition. Fact 2: Most stalactites are formed from drips of water. Given the two facts above, what are stalactites deposits of?

Choose your answer from: a. Calcium carbonate. b. Decayed matter. c. Sediment. d. Drips of water. e. Still water. f. detritus. g. calcite. h. Tourists.
A:
d.