The diagram below shows the development of cutting tools in the stone age. Summarize the information by selecting and reporting the main features and make comparisons where relevant.
The following image show the process of making cutting tools from stone at that era.
Overall
, in both periods the tools have almost similar shape and size. However
, more improvements are seen in tools B.
On the one hand, tool
A which is from 1.4 million years ago sows that cutting tool
has triangle shape, has a bit rough surface with sharp ridges. It has 10 cm height, and a bulging front view, while
the back seems flatter. This
design and shape helps to be grabbed easily.
On the other hand
, tool
B shows the progress of 0.8 million years ago which is quite similar the tool
A. But with tiny differences although
with tool
B is also
triangular with sharp cutting edge, but it has smoother surface than the tool
A. Its height is about 8cm, and the weight is pretty thinner than the tool
of earlier. The front and back views are also
almost similar, only have the different surface smoothness.Submitted by zaky987.zaky on
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Linking words: Don't use the same linking words: "also".
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Introduction: The introduction is missing.
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Introduction: The chart intro is missing.
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Basic structure: Change the third paragraph.
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Introduction: The chart intro is missing.
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Vocabulary: Replace the words tool with synonyms.
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Vocabulary: Only 4 basic words for charts were used.
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Vocabulary: The word "show" was used 2 times.
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Vocabulary: The word "almost" was used 2 times.
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Vocabulary: Use several vocabularies to present the data in the third paragraph.
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