The reading and the listening both are about the enlarge marine mammals known as Steller's sea cow which were lived around bering iland off cost of siberia. The author provides three theories to explain the reasons of their extintion. However, The lecturer challanges the statement made by the writer. He is of the opinion that none of the theory is convincing.
First of all, the article notes that sea cows are hunted by the native people to fulfill their food demands in the harsh environment. The lecturer casts the doubt by mentioning that they were massive creature around ninteen meter long and ample amout of weight. Moreover, the population of the town was very small that time, so one sea cow was enough to serve them entire month. In that way, even they do hunting, but not too much to put them in danger.
Secondly, the author suggests that ecosystem disturbance was the other reason whic cause decline in the popuation. He describes that decrease in the kelp, which was the main source of food for sea cow and food shortage bring them to the elimination. On the other hand, the lecturer refuts the statement and point out that before 1741, there is record of disspearnce in the kelp, but, other marine species , for example, whales, who are dependent on this, had not vanished. So, it can not be the true reason behind their death because whales are still alive.
In the last, it is stated that eurpeon fur traders hunted this species and it is mentioned that last cow in 1768 was killed by the european dealers. Nonetheless, the speaker, rejects the point by asserting that the number of cows were already decreased before the arrival of European traders. He further elaborates this by saying that something was ongoing which cause the extinction of this species, that something could be the reason, but, not traders. In this way, he is not agreed with this theory.
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Grammar and spelling errors:
Line 1, column 46, Rule ID: A_INFINITVE[1]
Message: Probably a wrong construction: a/the + infinitive
...eading and the listening both are about the enlarge marine mammals known as Stellers sea co...
^^^^^^^^^^^
Line 5, column 405, Rule ID: COMMA_PARENTHESIS_WHITESPACE
Message: Put a space after the comma, but not before the comma
Suggestion: ,
...e in the kelp, but, other marine species , for example, whales, who are dependent ...
^^
Transition Words or Phrases used:
but, first, however, moreover, nonetheless, second, secondly, so, still, for example, first of all, on the other hand
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 21.0 10.4613686534 201% => Less to be verbs wanted.
Auxiliary verbs: 2.0 5.04856512141 40% => OK
Conjunction : 6.0 7.30242825607 82% => OK
Relative clauses : 17.0 12.0772626932 141% => OK
Pronoun: 34.0 22.412803532 152% => Less pronouns wanted
Preposition: 43.0 30.3222958057 142% => OK
Nominalization: 9.0 5.01324503311 180% => OK
Performance on vocabulary words:
No of characters: 1561.0 1373.03311258 114% => OK
No of words: 326.0 270.72406181 120% => OK
Chars per words: 4.78834355828 5.08290768461 94% => OK
Fourth root words length: 4.24917287072 4.04702891845 105% => OK
Word Length SD: 2.34969076175 2.5805825403 91% => OK
Unique words: 181.0 145.348785872 125% => OK
Unique words percentage: 0.555214723926 0.540411800872 103% => OK
syllable_count: 465.3 419.366225166 111% => OK
avg_syllables_per_word: 1.4 1.55342163355 90% => OK
A sentence (or a clause, phrase) starts by:
Pronoun: 7.0 3.25607064018 215% => Less pronouns wanted as sentence beginning.
Article: 9.0 8.23620309051 109% => OK
Subordination: 0.0 1.25165562914 0% => More adverbial clause wanted.
Conjunction: 1.0 1.51434878587 66% => OK
Preposition: 4.0 2.5761589404 155% => OK
Performance on sentences:
How many sentences: 16.0 13.0662251656 122% => OK
Sentence length: 20.0 21.2450331126 94% => OK
Sentence length SD: 44.78490259 49.2860985944 91% => OK
Chars per sentence: 97.5625 110.228320801 89% => OK
Words per sentence: 20.375 21.698381199 94% => OK
Discourse Markers: 7.3125 7.06452816374 104% => OK
Paragraphs: 4.0 4.09492273731 98% => OK
Language errors: 2.0 4.19205298013 48% => OK
Sentences with positive sentiment : 2.0 4.33554083885 46% => More positive sentences wanted.
Sentences with negative sentiment : 8.0 4.45695364238 179% => OK
Sentences with neutral sentiment: 6.0 4.27373068433 140% => OK
What are sentences with positive/Negative/neutral sentiment?
Coherence and Cohesion:
Essay topic to essay body coherence: 0.404841305033 0.272083759551 149% => OK
Sentence topic coherence: 0.107450349834 0.0996497079465 108% => OK
Sentence topic coherence SD: 0.0931594139239 0.0662205650399 141% => OK
Paragraph topic coherence: 0.217451444333 0.162205337803 134% => OK
Paragraph topic coherence SD: 0.0254526813397 0.0443174109184 57% => OK
Essay readability:
automated_readability_index: 11.3 13.3589403974 85% => Automated_readability_index is low.
flesch_reading_ease: 68.1 53.8541721854 126% => OK
smog_index: 3.1 5.55761589404 56% => Smog_index is low.
flesch_kincaid_grade: 8.7 11.0289183223 79% => OK
coleman_liau_index: 10.5 12.2367328918 86% => OK
dale_chall_readability_score: 8.5 8.42419426049 101% => OK
difficult_words: 80.0 63.6247240618 126% => OK
linsear_write_formula: 7.5 10.7273730684 70% => OK
gunning_fog: 10.0 10.498013245 95% => OK
text_standard: 9.0 11.2008830022 80% => OK
What are above readability scores?
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Write the essay in 20 minutes.
Rates: 81.6666666667 out of 100
Scores by essay e-grader: 24.5 Out of 30
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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.