what is it called when weapons are formed by striking two stones against each other?\npercussion\npressure…

what is it called when weapons are formed by striking two stones against each other?\npercussion\npressure flaking\nprocessual archaeology\ncultural process approach
Answer
Brief Explanations:
Percussion is the technique of striking two stones together to form weapons. Pressure flaking is a different stone - working method. Processual archaeology and cultural process approach are archaeological theories, not stone - working techniques.
Answer:
A. Percussion