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The Brainliest Answer!
2015-07-18T21:52:20+05:30
Animal bones are and were thinner than rocks,easier to use and straight. Stones were solid and it couldnt pierce objects but a bone with a sharpened tip could
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2015-07-19T00:12:57+05:30
BCOZ AT THAT TIME..THEY DIDN'T HAD THE MACHINE TO CARVE OUT THE STONE SHARP AND THIN............
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