quackers
What causes the sounds quackers between 1960s and 1980s in Russian submarines is still a mystery. The sources of the sound moves too quick for the submarines' sonar to detect, which makes it hard to investigate the real reason of quackers. There are only several theories about what caused the odd sounds.
To elaborate, the author thinks that the sound were calls of orca whales during some courtship ritual. The sounds when orcas are trying to attract a mate are really similar to quackers. However, in the listening, the woman actually thinks it's impossible, because orcas live on the surface of the ocean but the sounds quarckers are from the deep ocean.
Secondly, some theory thinks that the sounds were originated from giant squid. The giant squid is hardly known by human, it may have the ability to emit the sound and approach the submarines without being discovered. But the listening thinks this is impossible for the reason that giant squid still lives in the ocean today. There is no way that it only makes that sound between 1960s and 1980s.
Finally, some people suggest that it's the foreign submarines who caused the sound. They may use a specific technology to make the sound undetectable by sonar, and may emitted the sound unintentionally later. On the contrary, the listening argues that foreign submarines can't move as quick as the source od the sound. The souce of the sound can move around and change direction, but human ships are unable to do that.
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Grammar and spelling errors:
Line 1, column 148, Rule ID: POSSESIVE_APOSTROPHE[1]
Message: Possible typo: apostrophe is missing. Did you mean 'submarines'' or 'submarine's'?
Suggestion: submarines'; submarine's
...es of the sound moves too quick for the submarines sonar to detect, which makes it hard to...
^^^^^^^^^^
Line 4, column 35, Rule ID: IT_IS[17]
Message: Did you mean 'it's' (='it is') instead of 'its' (possessive pronoun)?
Suggestion: it's; it is
...80s. Finally, some people suggest that its the foreign submarines who caused the s...
^^^
Line 4, column 270, Rule ID: CANT[1]
Message: Did you mean 'can't' or 'cannot'?
Suggestion: can't; cannot
...istening argues that foreign submarines cant move as quick as the source od the soun...
^^^^
Transition Words or Phrases used:
actually, but, finally, however, if, may, really, second, secondly, so, still, on the contrary
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 12.0 10.4613686534 115% => OK
Auxiliary verbs: 4.0 5.04856512141 79% => OK
Conjunction : 8.0 7.30242825607 110% => OK
Relative clauses : 11.0 12.0772626932 91% => OK
Pronoun: 15.0 22.412803532 67% => OK
Preposition: 28.0 30.3222958057 92% => OK
Nominalization: 1.0 5.01324503311 20% => More nominalizations (nouns with a suffix like: tion ment ence ance) wanted.
Performance on vocabulary words:
No of characters: 1224.0 1373.03311258 89% => OK
No of words: 252.0 270.72406181 93% => More content wanted.
Chars per words: 4.85714285714 5.08290768461 96% => OK
Fourth root words length: 3.98428260373 4.04702891845 98% => OK
Word Length SD: 2.38796586081 2.5805825403 93% => OK
Unique words: 137.0 145.348785872 94% => More unique words wanted.
Unique words percentage: 0.543650793651 0.540411800872 101% => OK
syllable_count: 367.2 419.366225166 88% => OK
avg_syllables_per_word: 1.5 1.55342163355 97% => OK
A sentence (or a clause, phrase) starts by:
Pronoun: 2.0 3.25607064018 61% => OK
Article: 7.0 8.23620309051 85% => OK
Subordination: 1.0 1.25165562914 80% => OK
Conjunction: 3.0 1.51434878587 198% => OK
Preposition: 3.0 2.5761589404 116% => OK
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: 27.9412649269 49.2860985944 57% => The essay contains lots of sentences with the similar length. More sentence varieties wanted.
Chars per sentence: 87.4285714286 110.228320801 79% => OK
Words per sentence: 18.0 21.698381199 83% => OK
Discourse Markers: 6.71428571429 7.06452816374 95% => OK
Paragraphs: 4.0 4.09492273731 98% => OK
Language errors: 3.0 4.19205298013 72% => OK
Sentences with positive sentiment : 2.0 4.33554083885 46% => More positive sentences wanted.
Sentences with negative sentiment : 4.0 4.45695364238 90% => OK
Sentences with neutral sentiment: 8.0 4.27373068433 187% => OK
What are sentences with positive/Negative/neutral sentiment?
Coherence and Cohesion:
Essay topic to essay body coherence: 0.0335219693258 0.272083759551 12% => The similarity between the topic and the content is low.
Sentence topic coherence: 0.0156793536292 0.0996497079465 16% => Sentence topic similarity is low.
Sentence topic coherence SD: 0.0565327134762 0.0662205650399 85% => OK
Paragraph topic coherence: 0.0272830912185 0.162205337803 17% => Maybe some paragraphs are off the topic.
Paragraph topic coherence SD: 0.047255700178 0.0443174109184 107% => OK
Essay readability:
automated_readability_index: 10.5 13.3589403974 79% => Automated_readability_index is low.
flesch_reading_ease: 61.67 53.8541721854 115% => OK
smog_index: 8.8 5.55761589404 158% => OK
flesch_kincaid_grade: 9.1 11.0289183223 83% => OK
coleman_liau_index: 10.61 12.2367328918 87% => OK
dale_chall_readability_score: 7.85 8.42419426049 93% => OK
difficult_words: 53.0 63.6247240618 83% => More difficult words wanted.
linsear_write_formula: 8.0 10.7273730684 75% => OK
gunning_fog: 9.2 10.498013245 88% => OK
text_standard: 9.0 11.2008830022 80% => OK
What are above readability scores?
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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
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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.