Question

At Khok Phanom Di, some shells were modified and apparently used as tools. Experiments with similar shells indicated that marks were created by abrading them with sandstone to create a sharp cutting edge. Further experimental work and examination under a SEM indicated that the shells were probably used in
a) harvesting a grass such as rice
b) slicing and working skins and meats
c) incising designs on pottery
d) cutting bark cloths
e) fish processing

Answer

This answer is hidden. It contains 1 characters.