The article and the lecture are about a specific mass-extinction, which occurred about 2000 million years ago and allow dinosaurs to be the dominant species in the world, and three possible explanations about its causes. The author in the passage believes that all these theories seem to be reliable and enough supported for explaining this catastrophe. However, the lecturer casts doubt on the statements made in the article. She thinks that these hypotheses are not enough credible.
First, the author claims that due to the constant fluctuations presented in this period, the decline of the sea level could have caused the destruction of shallow and land environments. Nevertheless, this theory is challenged by the lecturer who posits that despite these fluctuations, the decline of the sea level may not have had a great impact in shallow and land animals because it is known that these animals were presumably able to adapt to these changes.
Second, the article states that another possible explanation involves massive climate cooling, because volcanic activity released large amounts of sulfur dioxide, it would have caused a lowering in global temperatures. Nonetheless, the lecturer discredits this hypothesis by explaining that sulfur dioxide released by volcanic activity used to combine with water and get back to the surface as the form of rain. Consequently, it is likely that temperatures around the world keep constant if volcanic eruptions emitted this chemical element.
Finally, the author mentions that another credible cause for this mass-extinction was the impact of an asteroid into the Earth’s surface. Because an asteroid strike displaces large amounts of soil and crushed rock, this debris would have blocked the presence of sunlight in the atmosphere which caused the death of plants and therefore the starvation of animals. The lecturer, on the other hand, puts forth the idea that there is no evidence of any crater that resembles the size of the supposed asteroid. Furthermore, she points out that there is a crater but it dated from 12 million years before this catastrophe which implies that it is unlikely that an asteroid strike would have caused the extinction of more than half of the living species.
- Undoubtedly, technology has improved our lives in several ways. Some people prefer to have a great access to the internet while others prefer to have an efficient public transportation. Both have positive aspects that people should consider in order to ma 76
- Undoubtedly, education has improved our lives in several ways. However, some people consider some subjects unnecessary for students while others believe that all the course presented at the university are essential for the development of knowledge among s 76
- At the end of the Triassic period 200 million years ago, there was a mass-extinction event that caused the extinction of more than half of all living species. It was this extinction event that allowed dinosaurs to become the dominant species for the next 80
- In 1957 a European silver coin dating to the eleventh century was discovered at a Native American archaeological site in the state of Maine in the United States. Many people believed the coin had been originally brought to North America by European explor 80
- One of the threats to endangered sea turtle species is the use of nets by commercial shrimp-fishing boats. When turtles get accidentally caught in the nets, they cannot rise to the surface of the ocean to breathe, and they die. Some people suggest that th 83
Grammar and spelling errors:
Line 4, column 220, Rule ID: THIS_NNS[1]
Message: Did you mean 'these'?
Suggestion: these
...large amounts of soil and crushed rock, this debris would have blocked the presence ...
^^^^
Transition Words or Phrases used:
but, consequently, finally, first, furthermore, however, if, may, nevertheless, nonetheless, second, so, therefore, 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: 5.0 5.04856512141 99% => OK
Conjunction : 10.0 7.30242825607 137% => OK
Relative clauses : 18.0 12.0772626932 149% => OK
Pronoun: 35.0 22.412803532 156% => Less pronouns wanted
Preposition: 43.0 30.3222958057 142% => OK
Nominalization: 9.0 5.01324503311 180% => OK
Performance on vocabulary words:
No of characters: 1891.0 1373.03311258 138% => OK
No of words: 358.0 270.72406181 132% => OK
Chars per words: 5.28212290503 5.08290768461 104% => OK
Fourth root words length: 4.34981470047 4.04702891845 107% => OK
Word Length SD: 2.80205470407 2.5805825403 109% => OK
Unique words: 198.0 145.348785872 136% => OK
Unique words percentage: 0.553072625698 0.540411800872 102% => OK
syllable_count: 586.8 419.366225166 140% => OK
avg_syllables_per_word: 1.6 1.55342163355 103% => OK
A sentence (or a clause, phrase) starts by:
Pronoun: 6.0 3.25607064018 184% => OK
Article: 10.0 8.23620309051 121% => OK
Subordination: 2.0 1.25165562914 160% => OK
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: 13.0 13.0662251656 99% => OK
Sentence length: 27.0 21.2450331126 127% => The Avg. Sentence Length is relatively long.
Sentence length SD: 63.0134765336 49.2860985944 128% => OK
Chars per sentence: 145.461538462 110.228320801 132% => OK
Words per sentence: 27.5384615385 21.698381199 127% => OK
Discourse Markers: 10.2307692308 7.06452816374 145% => OK
Paragraphs: 4.0 4.09492273731 98% => OK
Language errors: 1.0 4.19205298013 24% => OK
Sentences with positive sentiment : 2.0 4.33554083885 46% => More positive sentences wanted.
Sentences with negative sentiment : 7.0 4.45695364238 157% => 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: 0.198216042893 0.272083759551 73% => OK
Sentence topic coherence: 0.0602108016931 0.0996497079465 60% => OK
Sentence topic coherence SD: 0.0741028349561 0.0662205650399 112% => OK
Paragraph topic coherence: 0.097820023589 0.162205337803 60% => OK
Paragraph topic coherence SD: 0.0708069097949 0.0443174109184 160% => OK
Essay readability:
automated_readability_index: 17.2 13.3589403974 129% => OK
flesch_reading_ease: 44.07 53.8541721854 82% => OK
smog_index: 8.8 5.55761589404 158% => OK
flesch_kincaid_grade: 13.8 11.0289183223 125% => OK
coleman_liau_index: 13.64 12.2367328918 111% => OK
dale_chall_readability_score: 9.39 8.42419426049 111% => OK
difficult_words: 100.0 63.6247240618 157% => OK
linsear_write_formula: 10.5 10.7273730684 98% => OK
gunning_fog: 12.8 10.498013245 122% => OK
text_standard: 14.0 11.2008830022 125% => OK
What are above readability scores?
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Write the essay in 20 minutes.
Rates: 80.0 out of 100
Scores by essay e-grader: 24.0 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.