The diagram below shows the development of the cutting tool in the Stone Age.
Summarize the information by selecting and reporting the main features, and make comparisons where relevant.
The given diagram illustrates two cutting instruments from two different periods of time during the Stone Age.
Overall, the size and shape of these two tools are relatively similar, whereas the latter one is thicker and is more refined in the texture.
As for the front and the back views, the tool which was used 1.4 million years ago is rather rough and blunt, which baffles the cutting move. The 0.8-million-year-ago tool, on the other hand, has a more balanced structure as well as is sharper and pointier at the top, enabling the cutting activity of the wielder.
The side view reveals the thickness and shows a distinct difference between them. The former is wider to the bottom while the latter is thinner. In terms of the size, the two implements share one similarity: both of them are about 10 cm, with the main blade taking half of the length.
In addition, there is distinction in the surface of the tools: the latter is carefully polished to be more delicate.
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Grammar and spelling errors:
Line 4, column 83, Rule ID: ENGLISH_WORD_REPEAT_BEGINNING_RULE
Message: Three successive sentences begin with the same word. Reword the sentence or use a thesaurus to find a synonym.
...ows a distinct difference between them. The former is wider to the bottom while the...
^^^
Transition Words or Phrases used:
if, well, whereas, while, as for, in addition, as well as, on the other hand
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 12.0 7.0 171% => OK
Auxiliary verbs: 0.0 1.00243902439 0% => OK
Conjunction : 6.0 6.8 88% => OK
Relative clauses : 2.0 3.15609756098 63% => OK
Pronoun: 3.0 5.60731707317 54% => OK
Preposition: 20.0 33.7804878049 59% => More preposition wanted.
Nominalization: 3.0 3.97073170732 76% => OK
Performance on vocabulary words:
No of characters: 809.0 965.302439024 84% => OK
No of words: 170.0 196.424390244 87% => More content wanted.
Chars per words: 4.75882352941 4.92477711251 97% => OK
Fourth root words length: 3.61087313685 3.73543355544 97% => OK
Word Length SD: 2.63650838622 2.65546596893 99% => OK
Unique words: 108.0 106.607317073 101% => OK
Unique words percentage: 0.635294117647 0.547539520022 116% => OK
syllable_count: 245.7 283.868780488 87% => OK
avg_syllables_per_word: 1.4 1.45097560976 96% => OK
A sentence (or a clause, phrase) starts by:
Pronoun: 0.0 1.53170731707 0% => OK
Article: 7.0 4.33902439024 161% => OK
Subordination: 1.0 1.07073170732 93% => OK
Conjunction: 0.0 0.482926829268 0% => OK
Preposition: 4.0 3.36585365854 119% => OK
Performance on sentences:
How many sentences: 8.0 8.94146341463 89% => OK
Sentence length: 21.0 22.4926829268 93% => OK
Sentence length SD: 33.3670402493 43.030603864 78% => OK
Chars per sentence: 101.125 112.824112599 90% => OK
Words per sentence: 21.25 22.9334400587 93% => OK
Discourse Markers: 9.5 5.23603664747 181% => OK
Paragraphs: 5.0 3.83414634146 130% => Less paragraphs wanted.
Language errors: 1.0 1.69756097561 59% => OK
Sentences with positive sentiment : 3.0 3.70975609756 81% => OK
Sentences with negative sentiment : 2.0 1.13902439024 176% => OK
Sentences with neutral sentiment: 3.0 4.09268292683 73% => OK
What are sentences with positive/Negative/neutral sentiment?
Coherence and Cohesion:
Essay topic to essay body coherence: 0.118970591066 0.215688989381 55% => OK
Sentence topic coherence: 0.0441319969483 0.103423049105 43% => OK
Sentence topic coherence SD: 0.0402206082759 0.0843802449381 48% => Sentences are similar to each other.
Paragraph topic coherence: 0.0565806488955 0.15604864568 36% => OK
Paragraph topic coherence SD: 0.0458051710512 0.0819641961636 56% => OK
Essay readability:
automated_readability_index: 11.6 13.2329268293 88% => Automated_readability_index is low.
flesch_reading_ease: 67.08 61.2550243902 110% => OK
smog_index: 3.1 6.51609756098 48% => Smog_index is low.
flesch_kincaid_grade: 9.1 10.3012195122 88% => OK
coleman_liau_index: 10.33 11.4140731707 91% => OK
dale_chall_readability_score: 7.84 8.06136585366 97% => OK
difficult_words: 34.0 40.7170731707 84% => More difficult words wanted.
linsear_write_formula: 13.5 11.4329268293 118% => OK
gunning_fog: 10.4 10.9970731707 95% => OK
text_standard: 10.0 11.0658536585 90% => OK
What are above readability scores?
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Maximum four paragraphs wanted.
Rates: 78.6516853933 out of 100
Scores by essay e-grader: 7.0 Out of 9
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Note: the e-grader does NOT examine the meaning of words and ideas. VIP users will receive further evaluations by advanced module of e-grader and human graders.