The reading passage proposes several possible causes of Little Ice Age period. However, the lecturer refutes them all mentioning that those proposals are made based on backdated information.
First of all, the author posits that disruption of Gulf Stream could have caused the Little Ice Age. On the contrary, the professor challenges this point underlining the fact that Gulf Stream was disrupted only in Europe and North America, but the Little ica age occurred in Southern Hemisphere area also. Thus, disruption of Gulf stream fails to explain root cause of this phenomenon in all areas.
Secondly, according to the article, volcanic eruption creates dark clouds of dust and sulfur gas into the atmosphere, which can cover large areas and block sunlight from reaching surface of Earth and consequently decrease global temperature. Thus, mentioning scientific evidences, the author says that volcanic eruption might cause Little Ice Age. Nevertheless, the lecturer points out to the fact that enough dust is needed to cause this kind of phenomenon and no events like striking visual effects were reported which can support author's argument.
Finally, the author argues that decrease in human population due to numerous reasons and consequently increased growth of forest trees contributed to mitigate greenhouse effect and thus caused the cooling of the climate. The author refutes this view mentioning that there was not enough time to cause this effect as human population shorty increased back to previous level. Again, more fields were used for agriculture and forests were cut down. So, forest was not increased to such a level for enough time that might cause Little ice age.
- In recent years, many frog species around the world have declined in numbers or even gone extinct due to changes in their environment. These population declines and extinctions have serious consequences for the ecosystems in which frogs live; for example, 90
- TPO 39At 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 80
- Populations of the yellow cedar, a species of tree that is common in northwestern North America, have been steadily declining for more than a century now, since about 1880. Scientists have advanced several hypotheses to explain this decline.One hypothesis 88
- 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 81
- In 1995 a microscopic fungus called Phytophthora ramorum, or P. ramorum, was first detected in the forests of the western United States. P. ramorum infects trees and causes particularly serious damage in oak trees: in many infected oaks, leaves wither rap 90
Grammar and spelling errors:
Line 1, column 159, Rule ID: WHITESPACE_RULE
Message: Possible typo: you repeated a whitespace
Suggestion:
...mentioning that those proposals are made based on backdated information. First...
^^
Line 3, column 301, Rule ID: ALSO_SENT_END[1]
Message: 'Also' is not used at the end of the sentence. Use 'as well' instead.
Suggestion: as well
...ge occurred in Southern Hemisphere area also. Thus, disruption of Gulf stream fails ...
^^^^
Transition Words or Phrases used:
also, but, consequently, finally, first, however, if, nevertheless, second, secondly, so, thus, kind of, first of all, on the contrary
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 8.0 10.4613686534 76% => OK
Auxiliary verbs: 5.0 5.04856512141 99% => OK
Conjunction : 9.0 7.30242825607 123% => OK
Relative clauses : 10.0 12.0772626932 83% => OK
Pronoun: 15.0 22.412803532 67% => OK
Preposition: 30.0 30.3222958057 99% => OK
Nominalization: 8.0 5.01324503311 160% => OK
Performance on vocabulary words:
No of characters: 1426.0 1373.03311258 104% => OK
No of words: 267.0 270.72406181 99% => OK
Chars per words: 5.34082397004 5.08290768461 105% => OK
Fourth root words length: 4.04229324003 4.04702891845 100% => OK
Word Length SD: 2.54960191368 2.5805825403 99% => OK
Unique words: 158.0 145.348785872 109% => OK
Unique words percentage: 0.591760299625 0.540411800872 110% => OK
syllable_count: 438.3 419.366225166 105% => OK
avg_syllables_per_word: 1.6 1.55342163355 103% => OK
A sentence (or a clause, phrase) starts by:
Pronoun: 0.0 3.25607064018 0% => OK
Article: 8.0 8.23620309051 97% => OK
Subordination: 0.0 1.25165562914 0% => More adverbial clause wanted.
Conjunction: 1.0 1.51434878587 66% => OK
Preposition: 2.0 2.5761589404 78% => OK
Performance on sentences:
How many sentences: 12.0 13.0662251656 92% => OK
Sentence length: 22.0 21.2450331126 104% => OK
Sentence length SD: 58.7393016264 49.2860985944 119% => OK
Chars per sentence: 118.833333333 110.228320801 108% => OK
Words per sentence: 22.25 21.698381199 103% => OK
Discourse Markers: 11.1666666667 7.06452816374 158% => 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 : 4.0 4.45695364238 90% => 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: 0.145628558889 0.272083759551 54% => OK
Sentence topic coherence: 0.0652504070762 0.0996497079465 65% => OK
Sentence topic coherence SD: 0.0494026772349 0.0662205650399 75% => OK
Paragraph topic coherence: 0.0893994280961 0.162205337803 55% => OK
Paragraph topic coherence SD: 0.0129032297371 0.0443174109184 29% => 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: 14.8 13.3589403974 111% => OK
flesch_reading_ease: 49.15 53.8541721854 91% => OK
smog_index: 8.8 5.55761589404 158% => OK
flesch_kincaid_grade: 11.9 11.0289183223 108% => OK
coleman_liau_index: 13.99 12.2367328918 114% => OK
dale_chall_readability_score: 9.22 8.42419426049 109% => OK
difficult_words: 76.0 63.6247240618 119% => OK
linsear_write_formula: 8.0 10.7273730684 75% => OK
gunning_fog: 10.8 10.498013245 103% => OK
text_standard: 11.0 11.2008830022 98% => OK
What are above readability scores?
---------------------
Rates: 76.6666666667 out of 100
Scores by essay e-grader: 23.0 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.