Easter Island, also known as Rapa Nui, is the most isolated inhabited island in the
world. Not only is it famous for its 887 stone statues, called Moai, but also for the
numerous mysteries yet to be solved. One of them is what truly caused the
extinction of the Rapa Nui civilization. There are a few competing theories as to why
the Rapa Nui civilization disappeared in the first place.
One of the most famous claims is that Rapa Nui’s obsession with Moai caused the
destruction of the island’s subtropical forest, leading to a famine that killed most of
the population. According to some researchers, natives used to cut trees to have
more space to transport the huge stone statues, the Moai, from one place to
another. Over time, they ran out of trees to cut. This deforestation washed away
fertile soils and changed the ecosystem drastically.
Some other historians believe that rats, not humans, were the cause of the fall of the
Rapa Nui civilization. Thousands of rat bones have been found on the islands,
suggesting that a huge population of rats could have actually caused an imbalance in
the ecosystem. There are some estimates that suggest there were over three million
rats living on the island at one time. By eating the seeds of the island’s tree, these
rats could have also been the cause of deforestation which eventually led the Rapa
Nui to die out or migrate off the island.
There are reasons to believe that the Rapa Nui extinction was caused by the arrival
of Europeans in the 18th century. When the Peruvian Slave trade began in the 1860s,
over two thousand Rapa Nui inhabitants were captured and transported to Peru.
Diseases like syphilis and smallpox brought by Europeans could have infected a few
of these people and caused the deaths of the remaining Rapa Nui people when they
later returned.
The reading and the lecture are both about the disappearance of Rapa Nui civilization. The author of the reading believes that there are three theories that support the destruction of this civilization. The lecturer casts doubt on the claims made in the article. he thinks that there is no enough evidence to support the authors statement.
First of all, the writer claims that obsession with Maoi’s would have caused the disappearance of this population. he notes that the famine might have killed a lot of population. this point is challenged by the reader. he says that as there were a lot of skilled farmers on the land, they would have known the effects of deforestation before cutting down every tree. Furthermore, he points out that there was abundance of sea food which might have helped the population to survive a little longer.
Secondly, the author states that rats might have been responsible for the destruction of civilization. he argues that huge population of rats might have caused the imbalance and might have led to the death of many people. this argument is rebutted by the professor. he suggests that there was no way that the rats could have caused the death of population. he elaborates on this by mentioning that they might have disturbed a piece of land but not the entire land.
Finally, the author mentions that the entry of Europeans might have caused the extinction of population. he is of the opinion that they might have brought diseases like small pox and syphilis while they had returned from Europe. The lecturer, on the other hand, feels that this is incorrect because they were considered as slaves and they never had a chance to return back to transmit diseases.
| Post date | Users | Rates | Link to Content |
|---|---|---|---|
| 2019-04-28 | sravani.a321 | 3 | view |
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Grammar and spelling errors:
Line 1, column 204, 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.
...t the destruction of this civilization. The lecturer casts doubt on the claims made...
^^^
Line 1, column 264, Rule ID: UPPERCASE_SENTENCE_START
Message: This sentence does not start with an uppercase letter
Suggestion: He
...oubt on the claims made in the article. he thinks that there is no enough evidence...
^^
Line 1, column 322, Rule ID: POSSESIVE_APOSTROPHE[2]
Message: Possible typo: apostrophe is missing. Did you mean 'authors'' or 'author's'?
Suggestion: authors'; author's
...re is no enough evidence to support the authors statement. First of all, the writer...
^^^^^^^
Line 3, column 122, Rule ID: UPPERCASE_SENTENCE_START
Message: This sentence does not start with an uppercase letter
Suggestion: He
...d the disappearance of this population. he notes that the famine might have killed...
^^
Line 3, column 186, Rule ID: UPPERCASE_SENTENCE_START
Message: This sentence does not start with an uppercase letter
Suggestion: This
... might have killed a lot of population. this point is challenged by the reader. he s...
^^^^
Line 3, column 226, Rule ID: UPPERCASE_SENTENCE_START
Message: This sentence does not start with an uppercase letter
Suggestion: He
...this point is challenged by the reader. he says that as there were a lot of skille...
^^
Line 5, column 105, Rule ID: UPPERCASE_SENTENCE_START
Message: This sentence does not start with an uppercase letter
Suggestion: He
...le for the destruction of civilization. he argues that huge population of rats mig...
^^
Line 5, column 224, Rule ID: UPPERCASE_SENTENCE_START
Message: This sentence does not start with an uppercase letter
Suggestion: This
...t have led to the death of many people. this argument is rebutted by the professor. ...
^^^^
Line 5, column 268, Rule ID: UPPERCASE_SENTENCE_START
Message: This sentence does not start with an uppercase letter
Suggestion: He
... argument is rebutted by the professor. he suggests that there was no way that the...
^^
Line 5, column 359, Rule ID: UPPERCASE_SENTENCE_START
Message: This sentence does not start with an uppercase letter
Suggestion: He
...ld have caused the death of population. he elaborates on this by mentioning that t...
^^
Line 7, column 107, Rule ID: UPPERCASE_SENTENCE_START
Message: This sentence does not start with an uppercase letter
Suggestion: He
...ve caused the extinction of population. he is of the opinion that they might have ...
^^
Line 7, column 363, Rule ID: RETURN_BACK[1]
Message: Use simply 'return'.
Suggestion: return
...s slaves and they never had a chance to return back to transmit diseases.
^^^^^^^^^^^
Transition Words or Phrases used:
but, finally, first, furthermore, second, secondly, so, while, first of all, on the other hand
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 12.0 10.4613686534 115% => OK
Auxiliary verbs: 11.0 5.04856512141 218% => Less auxiliary verb wanted.
Conjunction : 5.0 7.30242825607 68% => OK
Relative clauses : 16.0 12.0772626932 132% => OK
Pronoun: 35.0 22.412803532 156% => Less pronouns wanted
Preposition: 37.0 30.3222958057 122% => OK
Nominalization: 20.0 5.01324503311 399% => Less nominalizations (nouns with a suffix like: tion ment ence ance) wanted.
Performance on vocabulary words:
No of characters: 1425.0 1373.03311258 104% => OK
No of words: 290.0 270.72406181 107% => OK
Chars per words: 4.91379310345 5.08290768461 97% => OK
Fourth root words length: 4.12666770723 4.04702891845 102% => OK
Word Length SD: 2.67573986568 2.5805825403 104% => OK
Unique words: 145.0 145.348785872 100% => OK
Unique words percentage: 0.5 0.540411800872 93% => More unique words wanted or less content wanted.
syllable_count: 435.6 419.366225166 104% => OK
avg_syllables_per_word: 1.5 1.55342163355 97% => OK
A sentence (or a clause, phrase) starts by:
Pronoun: 11.0 3.25607064018 338% => Less pronouns wanted as sentence beginning.
Article: 7.0 8.23620309051 85% => OK
Subordination: 0.0 1.25165562914 0% => More adverbial clause wanted.
Conjunction: 0.0 1.51434878587 0% => OK
Preposition: 1.0 2.5761589404 39% => More preposition wanted as sentence beginning.
Performance on sentences:
How many sentences: 17.0 13.0662251656 130% => OK
Sentence length: 17.0 21.2450331126 80% => The Avg. Sentence Length is relatively short.
Sentence length SD: 34.0609061641 49.2860985944 69% => OK
Chars per sentence: 83.8235294118 110.228320801 76% => OK
Words per sentence: 17.0588235294 21.698381199 79% => OK
Discourse Markers: 5.52941176471 7.06452816374 78% => OK
Paragraphs: 4.0 4.09492273731 98% => OK
Language errors: 12.0 4.19205298013 286% => Less language errors wanted.
Sentences with positive sentiment : 3.0 4.33554083885 69% => OK
Sentences with negative sentiment : 11.0 4.45695364238 247% => Less negative sentences wanted.
Sentences with neutral sentiment: 3.0 4.27373068433 70% => OK
What are sentences with positive/Negative/neutral sentiment?
Coherence and Cohesion:
Essay topic to essay body coherence: 0.0328116459941 0.272083759551 12% => The similarity between the topic and the content is low.
Sentence topic coherence: 0.0132729557654 0.0996497079465 13% => Sentence topic similarity is low.
Sentence topic coherence SD: 0.0188686105412 0.0662205650399 28% => Sentences are similar to each other.
Paragraph topic coherence: 0.0216336349773 0.162205337803 13% => Maybe some paragraphs are off the topic.
Paragraph topic coherence SD: 0.00867865588181 0.0443174109184 20% => Paragraphs are similar to each other. Some content may get duplicated or it is not exactly right on the topic.
Essay readability:
automated_readability_index: 10.2 13.3589403974 76% => Automated_readability_index is low.
flesch_reading_ease: 62.68 53.8541721854 116% => OK
smog_index: 3.1 5.55761589404 56% => Smog_index is low.
flesch_kincaid_grade: 8.7 11.0289183223 79% => OK
coleman_liau_index: 10.9 12.2367328918 89% => OK
dale_chall_readability_score: 7.86 8.42419426049 93% => OK
difficult_words: 62.0 63.6247240618 97% => OK
linsear_write_formula: 6.0 10.7273730684 56% => Linsear_write_formula is low.
gunning_fog: 8.8 10.498013245 84% => OK
text_standard: 9.0 11.2008830022 80% => OK
What are above readability scores?
---------------------
It is not exactly right on the topic in the view of e-grader. Maybe there is a wrong essay topic.
Rates: 3.33333333333 out of 100
Scores by essay e-grader: 1.0 Out of 30
---------------------
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.