The diagrams below show the cutting tools used by man 1.4 million years ago and 88 thousand years ago.
The graphs presented illustrate how the stone-made cutting tool applied by humanoid species has developed throughout the millennia of evolution. We can observe the primitive one which dates back to 1.4 million years ago in comparison with the latter edition going back to 800 thousand years prior.
Overall, it can be obviously realized that the cutting tool has been sharpened so as to meet our ancestors' everyday needs.
The cutting tool belonging to earlier sapiens appears to be quite primitive with merely pointy edges and the least elaborate cuts on all sides. As the point was not rounded enough, it must have caused a great deal of difficulty cutting the hunted preys' flesh. Besides, being ragged on the surface, the earlier version seems not to have been m user-friendly.
Mil of evolution has transformed everything to its optimized function and form; the cutting tool is no exception. Since the early wise man has found it hard to cut objects, they must have thought of a sharper tool to conquer; therefore, we can see from the side view that the tool had been cut more elaborately so that it would cut sharper. The back and front view of the more sophisticated version enjoys a pearl-like shape, which makes it look more elaborate compared to its initial one.
| Post date | Users | Rates | Link to Content |
|---|---|---|---|
| 2019-02-13 | Siavashradparsa | 78 | view |
- The diagrams below show the cutting tools used by man 1.4 million years ago and 88 thousand years ago. 78
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- The diagrams below show the cutting tools used by man 1.4 million years ago and 88 thousand years ago. 89
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The graphs presented illustrate how the stone-made cutting ...
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The graphs presented illustrate how the stone-made cutting tool applied...
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... illustrate how the stone-made cutting tool applied by humanoid species has dev...
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...pplied by humanoid species has developed throughout the millennia of evolution. W...
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...e millennia of evolution. We can observe the primitive one which dates back to ...
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...evolution. We can observe the primitive one which dates back to 1.4 million yea...
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...We can observe the primitive one which dates back to 1.4 million years ago in ...
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...e which dates back to 1.4 million years ago in comparison with the latter editi...
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... to 1.4 million years ago in comparison with the latter edition going back to 8...
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...ison with the latter edition going back to 800 thousand years prior. Overall...
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...o 800 thousand years prior. Overall, it can be obviously realized that the ...
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...prior. Overall, it can be obviously realized that the cutting tool has been...
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... Overall, it can be obviously realized that the cutting tool has been sharpened...
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...hat the cutting tool has been sharpened so as to meet our ancestors everyday needs. ...
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...ng tool has been sharpened so as to meet our ancestors everyday needs. The ...
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...ed so as to meet our ancestors everyday needs. The cutting tool belonging...
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... our ancestors everyday needs. The cutting tool belonging to earlier sapi...
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...estors everyday needs. The cutting tool belonging to earlier sapiens appea...
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... everyday needs. The cutting tool belonging to earlier sapiens appears to...
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...ol belonging to earlier sapiens appears to be quite primitive with merely point...
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... to earlier sapiens appears to be quite primitive with merely pointy edges and ...
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...uite primitive with merely pointy edges and the least elaborate cuts on all si...
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... with merely pointy edges and the least elaborate cuts on all sides. As the po...
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...y pointy edges and the least elaborate cuts on all sides. As the point was not...
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...st elaborate cuts on all sides. As the point was not rounded enough, it must ...
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...s. As the point was not rounded enough, it must have caused a great deal of...
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... point was not rounded enough, it must have caused a great deal of difficul...
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...t was not rounded enough, it must have caused a great deal of difficulty cu...
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...t rounded enough, it must have caused a great deal of difficulty cutting t...
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... enough, it must have caused a great deal of difficulty cutting the hunted...
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...h, it must have caused a great deal of difficulty cutting the hunted preys...
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...ve caused a great deal of difficulty cutting the hunted preys flesh. Besides...
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...d a great deal of difficulty cutting the hunted preys flesh. Besides, being ...
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... the hunted preys flesh. Besides, being ragged on the surface, the earlier ver...
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...sides, being ragged on the surface, the earlier version seems not to have bee...
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...ing ragged on the surface, the earlier version seems not to have been m user...
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...the surface, the earlier version seems not to have been m user-friendly. M...
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...the earlier version seems not to have been m user-friendly. Mil of evoluti...
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...arlier version seems not to have been m user-friendly. Mil of evolution ha...
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...en m user-friendly. Mil of evolution has transformed everything to its optimi...
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...med everything to its optimized function and form; the cutting tool is no except...
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...ptimized function and form; the cutting tool is no exception. Since the early w...
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...the cutting tool is no exception. Since the early wise man has found it hard t...
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... no exception. Since the early wise man has found it hard to cut objects, they ...
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...xception. Since the early wise man has found it hard to cut objects, they must ...
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... found it hard to cut objects, they must have thought of a sharper tool to conqu...
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... it hard to cut objects, they must have thought of a sharper tool to conquer; th...
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...r tool to conquer; therefore, we can see from the side view that the tool had ...
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...conquer; therefore, we can see from the side view that the tool had been cut m...
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...n see from the side view that the tool had been cut more elaborately so that ...
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... from the side view that the tool had been cut more elaborately so that it ...
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...e view that the tool had been cut more elaborately so that it would cut sharp...
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... had been cut more elaborately so that it would cut sharper. The back and fr...
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... been cut more elaborately so that it would cut sharper. The back and front ...
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...tely so that it would cut sharper. The back and front view of the more sophist...
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...at it would cut sharper. The back and front view of the more sophisticated ver...
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...n enjoys a pearl-like shape, which makes it look more elaborate compared to its i...
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Transition Words or Phrases used:
besides, if, look, so, therefore, as to
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 8.0 7.0 114% => OK
Auxiliary verbs: 6.0 1.00243902439 599% => Less auxiliary verb wanted.
Conjunction : 3.0 6.8 44% => More conjunction wanted.
Relative clauses : 5.0 3.15609756098 158% => OK
Pronoun: 14.0 5.60731707317 250% => Less pronouns wanted
Preposition: 25.0 33.7804878049 74% => OK
Nominalization: 5.0 3.97073170732 126% => OK
Performance on vocabulary words:
No of characters: 1067.0 965.302439024 111% => OK
No of words: 216.0 196.424390244 110% => OK
Chars per words: 4.93981481481 4.92477711251 100% => OK
Fourth root words length: 3.83365862548 3.73543355544 103% => OK
Word Length SD: 2.6101874844 2.65546596893 98% => OK
Unique words: 136.0 106.607317073 128% => OK
Unique words percentage: 0.62962962963 0.547539520022 115% => OK
syllable_count: 322.2 283.868780488 114% => OK
avg_syllables_per_word: 1.5 1.45097560976 103% => OK
A sentence (or a clause, phrase) starts by:
Pronoun: 5.0 1.53170731707 326% => Less pronouns wanted as sentence beginning.
Article: 5.0 4.33902439024 115% => OK
Subordination: 2.0 1.07073170732 187% => OK
Conjunction: 0.0 0.482926829268 0% => OK
Preposition: 1.0 3.36585365854 30% => More preposition wanted as sentence beginning.
Performance on sentences:
How many sentences: 9.0 8.94146341463 101% => OK
Sentence length: 24.0 22.4926829268 107% => OK
Sentence length SD: 36.9016042343 43.030603864 86% => OK
Chars per sentence: 118.555555556 112.824112599 105% => OK
Words per sentence: 24.0 22.9334400587 105% => OK
Discourse Markers: 4.33333333333 5.23603664747 83% => OK
Paragraphs: 4.0 3.83414634146 104% => OK
Language errors: 57.0 1.69756097561 3358% => Less language errors wanted.
Sentences with positive sentiment : 3.0 3.70975609756 81% => OK
Sentences with negative sentiment : 4.0 1.13902439024 351% => Less negative sentences wanted.
Sentences with neutral sentiment: 2.0 4.09268292683 49% => OK
What are sentences with positive/Negative/neutral sentiment?
Coherence and Cohesion:
Essay topic to essay body coherence: 0.219200830797 0.215688989381 102% => OK
Sentence topic coherence: 0.0770641936177 0.103423049105 75% => OK
Sentence topic coherence SD: 0.0696361792352 0.0843802449381 83% => OK
Paragraph topic coherence: 0.122304142739 0.15604864568 78% => OK
Paragraph topic coherence SD: 0.0725590764584 0.0819641961636 89% => OK
Essay readability:
automated_readability_index: 13.8 13.2329268293 104% => OK
flesch_reading_ease: 55.58 61.2550243902 91% => OK
smog_index: 8.8 6.51609756098 135% => OK
flesch_kincaid_grade: 11.5 10.3012195122 112% => OK
coleman_liau_index: 11.67 11.4140731707 102% => OK
dale_chall_readability_score: 8.99 8.06136585366 112% => OK
difficult_words: 57.0 40.7170731707 140% => OK
linsear_write_formula: 11.0 11.4329268293 96% => OK
gunning_fog: 11.6 10.9970731707 105% => OK
text_standard: 12.0 11.0658536585 108% => OK
What are above readability scores?
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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.