The diagrams illustrate the evolution of the
tool
used for cutting in the Stone Age from Use synonyms
Tool
A (1.4 million years ago) to Use synonyms
Tool
B (0.8 million years ago). Use synonyms
Overall
, the latter version became noticeably larger in size and featured a more refined appearance.
It can be observed that Linking Words
Tool
A had no clear shape with a large base tapering towards the top and measured at around 7 cm in length, 3 cm in width with a thickness of approximately 2.5 cm. From the side view, the edges appeared to be rough and blunt. Use synonyms
Besides
, the front and back views of Linking Words
this
Linking Words
tool
showed similar uneven surfaces that had many large random cuts.
Use synonyms
In contrast
, Linking Words
Tool
B, after 0.6 million years, had a more defined teardrop shape and was significantly larger than Use synonyms
Use synonyms
tool
A. Both the front and back views revealed that the edges of Capitalize word
Tool
tool
B were smoother, and the tip was sharper than its prior version, increasing the effectiveness of the cutting instrument. Use synonyms
This
latter version Linking Words
also
had less surface roughness compared to the previous one.Linking Words
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