The Difference Between a Stone-Tool Mark and a Tooth Mark

Multiple Choice

The difference between a stone-tool mark and a tooth mark is that

A) stone-tool marks are crooked because hominins were not skilled at using stone tools.
B) tooth marks leave smooth grooves, and stone-tool marks leave many parallel grooves.
C) stone-tool marks contain stone flake residue.
D) tooth marks occur along the entire shaft of the bone, but stone-tool marks occur only at the end of the bone.