The diagram below shows the development of cutting tools in the Stone Age.
Summarise the information by selecting and reporting the main features and make comparison where relevant.
The given process illustrates the advancement of the cutting tools in the Stone Age.
As can bee seen from the diagram, there are various transformations that the equipment underwent during the period of 1.4 million years ago and 0.8 million years ago. It is also evident that the tool had been enlarged in terms of width and height.
Concerning the front view, 0.8 million years ago, it had a raindrop-like shape, which had been evolved from the snuggling shape. The most significant shift was the sharp tip of the tools, which was the lack of that 1.4 million years ago.
Anologously, both side view and back view of the equipment had also been through changes. While the side view had been flattened, the back view displayed a remarkable growth in height and width that resulted in a more suitable shape to grab.
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The illustration provides information about the evolution of stone cutting tools in the Stone Age, which was used by prehistoric men.
In general, the cutting tool had dramatically altered, which became larger during millions of years. Moreover, tool B was more refined than tool A at the shape and sharpness by the craftsmanship of prehistoric men.
According to the graph, 1.4 million years ago, tool A was approximately 10 cm with uneven angles, especially the front view of it, while the back view witnessed a completely different glance. The side view was cut roughly and obtusely.
However, 600000 years later, the cutting tool was advanced significantly from every aspect. It can clearly be seen that tool B was grinded more carefully and witnessed a definite tear-drop shape from the front view. The back and side views were tapered aggressively in order to become a sharper tool. Furthermore, the size was much bigger from both horizontal and vertical axises.