The article states that sailor in Russian submarines would occasionally hear strange sound while patrolling but the submarine's sonar was unable to detect it and provides three theories about the strange sound for support. However, the professor explains that these theories are not true and refutes each of the author's reasons.
First, the reading claims that the strange sound was actually the call of male and female orca whales. But, the professor refutes the point by saying that orca whales mainly like to live on the surface of ocean. He also states that as the whales living on the surface, the submarine cannot hear the sound because the submarines travel in a very deep ocean.
Second, the article posits that the sounds were caused by giant squid that live deep in the ocean and they are difficult to detect by sonar. However, the professor says that the first sound was heard in 1916 and then disappeared in 1918. According to him, mainly giant squid like to live in the ocean, so, they can never disappear for decades. Thus, it's not the possible explanation by article.
Third, the reading says that the Russian submarines were picking up stray sound from some military technology like from another foreign submarine. But, the professor opposes this point by explaining that sometimes the strange sounds change its direction very quickly. So, it's not possible for submarine to move quickly. Even, sonar can detect the sound from the machine noise of those submarines. So, the professor disagree the article.
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Grammar and spelling errors:
Line 1, column 117, Rule ID: POSSESIVE_APOSTROPHE[1]
Message: Possible typo: apostrophe is missing. Did you mean 'submarines'' or 'submarine's'?
Suggestion: submarines'; submarine's
... strange sound while patrolling but the submarines sonar was unable to detect it and provi...
^^^^^^^^^^
Line 3, column 350, Rule ID: IT_IS[6]
Message: Did you mean 'it's' (='it is') instead of 'its' (possessive pronoun)?
Suggestion: it's; it is
... can never disappear for decades. Thus, its not the possible explanation by article...
^^^
Transition Words or Phrases used:
actually, also, but, first, however, if, second, so, then, third, thus, while
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 7.0 10.4613686534 67% => OK
Auxiliary verbs: 4.0 5.04856512141 79% => OK
Conjunction : 6.0 7.30242825607 82% => OK
Relative clauses : 10.0 12.0772626932 83% => OK
Pronoun: 21.0 22.412803532 94% => OK
Preposition: 31.0 30.3222958057 102% => OK
Nominalization: 2.0 5.01324503311 40% => More nominalizations (nouns with a suffix like: tion ment ence ance) wanted.
Performance on vocabulary words:
No of characters: 1272.0 1373.03311258 93% => OK
No of words: 253.0 270.72406181 93% => More content wanted.
Chars per words: 5.02766798419 5.08290768461 99% => OK
Fourth root words length: 3.98822939669 4.04702891845 99% => OK
Word Length SD: 2.32276587158 2.5805825403 90% => OK
Unique words: 129.0 145.348785872 89% => More unique words wanted.
Unique words percentage: 0.509881422925 0.540411800872 94% => More unique words wanted or less content wanted.
syllable_count: 385.2 419.366225166 92% => OK
avg_syllables_per_word: 1.5 1.55342163355 97% => OK
A sentence (or a clause, phrase) starts by:
Pronoun: 4.0 3.25607064018 123% => OK
Article: 10.0 8.23620309051 121% => 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: 14.0 13.0662251656 107% => OK
Sentence length: 18.0 21.2450331126 85% => The Avg. Sentence Length is relatively short.
Sentence length SD: 45.7221533408 49.2860985944 93% => OK
Chars per sentence: 90.8571428571 110.228320801 82% => OK
Words per sentence: 18.0714285714 21.698381199 83% => OK
Discourse Markers: 5.5 7.06452816374 78% => OK
Paragraphs: 4.0 4.09492273731 98% => OK
Language errors: 2.0 4.19205298013 48% => OK
Sentences with positive sentiment : 4.0 4.33554083885 92% => OK
Sentences with negative sentiment : 6.0 4.45695364238 135% => OK
Sentences with neutral sentiment: 4.0 4.27373068433 94% => OK
What are sentences with positive/Negative/neutral sentiment?
Coherence and Cohesion:
Essay topic to essay body coherence: 0.19369930619 0.272083759551 71% => OK
Sentence topic coherence: 0.0652634823689 0.0996497079465 65% => OK
Sentence topic coherence SD: 0.0635242095321 0.0662205650399 96% => OK
Paragraph topic coherence: 0.128862899648 0.162205337803 79% => OK
Paragraph topic coherence SD: 0.0578076817271 0.0443174109184 130% => OK
Essay readability:
automated_readability_index: 11.3 13.3589403974 85% => Automated_readability_index is low.
flesch_reading_ease: 61.67 53.8541721854 115% => OK
smog_index: 3.1 5.55761589404 56% => Smog_index is low.
flesch_kincaid_grade: 9.1 11.0289183223 83% => OK
coleman_liau_index: 11.6 12.2367328918 95% => OK
dale_chall_readability_score: 7.71 8.42419426049 92% => OK
difficult_words: 51.0 63.6247240618 80% => More difficult words wanted.
linsear_write_formula: 10.5 10.7273730684 98% => OK
gunning_fog: 9.2 10.498013245 88% => OK
text_standard: 12.0 11.2008830022 107% => OK
What are above readability scores?
---------------------
Rates: 73.3333333333 out of 100
Scores by essay e-grader: 22.0 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.