The given illustrations compare two tools made out of stone to cut from an early and a later period of humanity.
In addition
, ancient people made these instruments by the method of removing tiny pieces.
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Overall
, it can be clearly seen from the diagrams that the later the period, the sharper the top of the stones.
With regard to front views of equipment, 1.4 Linking Words
million
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years
ago old people used equipment, which was more round than tools 0.8 Use synonyms
million
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years
ago. Use synonyms
In addition
, over the Linking Words
years
, the method of preparing tools was improved without any destruction in pieces.
Turning to side views, 0.8 Use synonyms
million
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years
ago the cutting tool was stronger with sharp ends on both sides, top and bottom.
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Additionally
, the height of the cutting tool was increased by nearly 4 cm. The back view of stone 0.8 Linking Words
million
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years
ago experienced a double in width. Use synonyms
Similarly
, there was a plateau in the quality of the tool.Linking Words
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