One clear technological trend evident in the Middle Pleistocene archaeological record is that early bifaces are elegant-appearing pear-shaped implements, whereas later bifaces are cruder with deep flake-removal scars.

Question

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Early bifaces from the Middle Pleistocene often appear cruder and less refined, with later bifaces showing improvements in symmetry, thinness, and overall craftsmanship, indicating a progression in skill and technique over time.

One Clear Technological Trend Evident in the Middle Pleistocene Archaeological