Which of the Following Circumstances Is Likely to Preserve a Fossil

Multiple Choice

Which of the following circumstances is likely to preserve a fossil?

A) Leaves from an ancient oak tree fall to the ground in a forest.
B) A mammoth dies from starvation in the middle of a vast dry plain.
C) A ground sloth walks along the edge of a river in the wet mud.
D) Bacteria living in the ocean die near the shoreline and sink to the bottom.