Question: Which tool-making technique was once believed to be no older than 20,000 years until recent discoveries at Blombos Cave in South Africa that date the

Which tool-making technique was once believed to be no older than 20,000 years until recent discoveries at Blombos Cave in South Africa that date the technique to 75,000 years ago?

A. Direct percussion

B. Indirect percussion

C. Percussion chipping

D. Pressure flaking

E. Indirect lithic crushing

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