Which of the Following Sedimentary Environments Is Most Likely to Destroy

Multiple Choice

Which of the following sedimentary environments is most likely to destroy bone and thus contain few if any fossils?

A) a limestone cave filling rapidly with sediment in a semi-arid region
B) acidic sediment with plenty of groundwater
C) slowly accumulating sediment so bones remain on the surface for a long time
D) rapidly deposited neutral (not acidic or basic) sediment such as in a rift valley