What is the difference between a unifacial and a bifacial tool?
A) Unifacial tools have facets removed from only one side, whereas bifacial tools have facets removed from both sides.
B) Unifacial tools have one sharp edge, whereas bifacial tools have two sharp edges.
C) Unifacial tools are made using one hammer stone, whereas bifacial tools require two.
D) Unifacial tools are made from one type of stone, whereas bifacial tools are made from two stone types.
A) Unifacial tools have facets removed from only one side, whereas bifacial tools have facets removed from both sides.
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