easter island population decline cause.
The author explained few theories to explain the decline in population on eastern island, however the professor estimated serious flaws in each theory.
To begin with, First theory given by author is deforestation which explains that people cut the huge area of forest to fulfil the needs and consequence get worst. However the professor disagrees with this theory and explained that when Hunter loop reached there he saw the deforestation but the growing factor was present that grassland and this could help to regrow forest. The professor further added on this opinion is that people had the tree which they can use for cooking and transport in absence of grown up forest.
Another theory explained by author is, rats prevented the regrowth of forest because it ate the fresh shoots. The professor claims this theory and illustrated his opinion that, its true if rats ate the shoot they can disturb the ecosystem but in no way can result in population decline. He shows some evidence that shows that people could live further and that is rat bones, which explains that people on island eats the rat and chicken.
The last theory made by the author is the war between long-eared and short-eared people. This theory explain that first the short-ear killed and then long-eared were ditched, and burned. The professor again sees weakness in this viewpoint , he explained that in 1770 there were 1000 people on island which is a huge number and the war the professor took place in 1680 that is nearly 100 years ago. Professor believe such past war would not impact the recent population.
These this is how the professor explained that every theory made by author is incorrect because all the evidence lack somewhere and theory to explain the decline in population remain mysterious.
| Post date | Users | Rates | Link to Content |
|---|---|---|---|
| 2023-08-19 | Yash Mehta | 84 | view |
| 2023-08-03 | cringelord | 3 | view |
| 2022-09-20 | groot | 80 | view |
| 2022-09-15 | opryzhek | 81 | view |
| 2022-05-30 | Pri_Judy | 90 | view |
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Grammar and spelling errors:
Line 3, column 164, Rule ID: SENT_START_CONJUNCTIVE_LINKING_ADVERB_COMMA[1]
Message: Did you forget a comma after a conjunctive/linking adverb?
Suggestion: However,
...il the needs and consequence get worst. However the professor disagrees with this theor...
^^^^^^^
Line 7, column 102, Rule ID: MASS_AGREEMENT[2]
Message: Possible agreement error - use third-person verb forms for singular and mass nouns: 'explains'.
Suggestion: explains
...red and short-eared people. This theory explain that first the short-ear killed and the...
^^^^^^^
Line 7, column 239, Rule ID: COMMA_PARENTHESIS_WHITESPACE
Message: Put a space after the comma, but not before the comma
Suggestion: ,
...or again sees weakness in this viewpoint , he explained that in 1770 there were 10...
^^
Line 7, column 349, Rule ID: WHITESPACE_RULE
Message: Possible typo: you repeated a whitespace
Suggestion:
... a huge number and the war the professor took place in 1680 that is nearly 100 ye...
^^
Line 7, column 410, Rule ID: MASS_AGREEMENT[1]
Message: Consider using third-person verb forms for singular and mass nouns: 'believes'.
Suggestion: believes
...that is nearly 100 years ago. Professor believe such past war would not impact the rece...
^^^^^^^
Transition Words or Phrases used:
but, first, however, if, so, then, to begin with
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 12.0 10.4613686534 115% => OK
Auxiliary verbs: 6.0 5.04856512141 119% => OK
Conjunction : 14.0 7.30242825607 192% => OK
Relative clauses : 18.0 12.0772626932 149% => OK
Pronoun: 29.0 22.412803532 129% => Less pronouns wanted
Preposition: 30.0 30.3222958057 99% => OK
Nominalization: 10.0 5.01324503311 199% => OK
Performance on vocabulary words:
No of characters: 1496.0 1373.03311258 109% => OK
No of words: 299.0 270.72406181 110% => OK
Chars per words: 5.00334448161 5.08290768461 98% => OK
Fourth root words length: 4.1583189471 4.04702891845 103% => OK
Word Length SD: 2.42238633491 2.5805825403 94% => OK
Unique words: 156.0 145.348785872 107% => OK
Unique words percentage: 0.521739130435 0.540411800872 97% => OK
syllable_count: 438.3 419.366225166 105% => OK
avg_syllables_per_word: 1.5 1.55342163355 97% => OK
A sentence (or a clause, phrase) starts by:
Pronoun: 5.0 3.25607064018 154% => OK
Article: 5.0 8.23620309051 61% => OK
Subordination: 0.0 1.25165562914 0% => More adverbial clause wanted.
Conjunction: 1.0 1.51434878587 66% => OK
Preposition: 1.0 2.5761589404 39% => More preposition wanted as sentence beginning.
Performance on sentences:
How many sentences: 12.0 13.0662251656 92% => OK
Sentence length: 24.0 21.2450331126 113% => OK
Sentence length SD: 45.3617404869 49.2860985944 92% => OK
Chars per sentence: 124.666666667 110.228320801 113% => OK
Words per sentence: 24.9166666667 21.698381199 115% => OK
Discourse Markers: 4.0 7.06452816374 57% => More transition words/phrases wanted.
Paragraphs: 5.0 4.09492273731 122% => OK
Language errors: 5.0 4.19205298013 119% => 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: 2.0 4.27373068433 47% => OK
What are sentences with positive/Negative/neutral sentiment?
Coherence and Cohesion:
Essay topic to essay body coherence: 0.0871212301649 0.272083759551 32% => The similarity between the topic and the content is low.
Sentence topic coherence: 0.0371697503803 0.0996497079465 37% => Sentence topic similarity is low.
Sentence topic coherence SD: 0.0581871978655 0.0662205650399 88% => OK
Paragraph topic coherence: 0.0769226316464 0.162205337803 47% => OK
Paragraph topic coherence SD: 0.0702316713219 0.0443174109184 158% => OK
Essay readability:
automated_readability_index: 14.6 13.3589403974 109% => OK
flesch_reading_ease: 55.58 53.8541721854 103% => OK
smog_index: 3.1 5.55761589404 56% => Smog_index is low.
flesch_kincaid_grade: 11.5 11.0289183223 104% => OK
coleman_liau_index: 12.02 12.2367328918 98% => OK
dale_chall_readability_score: 7.63 8.42419426049 91% => OK
difficult_words: 53.0 63.6247240618 83% => More difficult words wanted.
linsear_write_formula: 13.5 10.7273730684 126% => OK
gunning_fog: 11.6 10.498013245 110% => OK
text_standard: 12.0 11.2008830022 107% => OK
What are above readability scores?
---------------------
Rates: 80 out of 100
Scores by essay e-grader: 24 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.