The graphs below show the size of ozone hole over Antarctica an the production of three ozone-damaging gases from 1980 to 2000. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.
The given line charts illustrate the changes in the size of ozone hole in Antarctic region and the amount of three kinds of gases damaging the ozone layer between 1980 and 2000.
Overall, it is evident that there was a significant increase in the size of ozone hole in Antarctica over the period. While CFC- 11 has caused the ozone layer showed a downward trend, the dramatic increase was witnessed in the amount of CFC-12 and N2O, which only began in 1990.
To specify, the size of ozone hole in Antarctica soared, with some fluctuations, from below 1000 square kilometers in 1980 to approximately 3500 square kilometers, which was almost seven times higher than the original level. In other words, ozone hole was the most extensive size in 2000.
Moreover, the second line chart showed a decline trend in the amount of CFC-11, which was the largest proportion in the first year of the period at about 65 million and went down to below 500 million as the lowest figure in 2000 In addition, CFC-12 grew steadily from almost 25 million in 1980 to 40 million in 2000.
Transition Words or Phrases used:
first, if, moreover, second, so, while, in addition, in other words
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 6.0 7.0 86% => OK
Auxiliary verbs: 0.0 1.00243902439 0% => OK
Conjunction : 4.0 6.8 59% => More conjunction wanted.
Relative clauses : 4.0 3.15609756098 127% => OK
Pronoun: 2.0 5.60731707317 36% => OK
Preposition: 38.0 33.7804878049 112% => OK
Nominalization: 2.0 3.97073170732 50% => More nominalizations (nouns with a suffix like: tion ment ence ance) wanted.
Performance on vocabulary words:
No of characters: 889.0 965.302439024 92% => OK
No of words: 188.0 196.424390244 96% => OK
Chars per words: 4.72872340426 4.92477711251 96% => OK
Fourth root words length: 3.70287850203 3.73543355544 99% => OK
Word Length SD: 2.37061644257 2.65546596893 89% => OK
Unique words: 104.0 106.607317073 98% => OK
Unique words percentage: 0.553191489362 0.547539520022 101% => OK
syllable_count: 262.8 283.868780488 93% => OK
avg_syllables_per_word: 1.4 1.45097560976 96% => OK
A sentence (or a clause, phrase) starts by:
Pronoun: 1.0 1.53170731707 65% => OK
Article: 4.0 4.33902439024 92% => OK
Subordination: 1.0 1.07073170732 93% => OK
Conjunction: 0.0 0.482926829268 0% => OK
Preposition: 4.0 3.36585365854 119% => OK
Performance on sentences:
How many sentences: 6.0 8.94146341463 67% => Need more sentences. Double check the format of sentences, make sure there is a space between two sentences, or have enough periods. And also check the lengths of sentences, maybe they are too long.
Sentence length: 31.0 22.4926829268 138% => The Avg. Sentence Length is relatively long.
Sentence length SD: 80.0112839264 43.030603864 186% => OK
Chars per sentence: 148.166666667 112.824112599 131% => OK
Words per sentence: 31.3333333333 22.9334400587 137% => OK
Discourse Markers: 11.1666666667 5.23603664747 213% => Less transition words/phrases wanted.
Paragraphs: 4.0 3.83414634146 104% => OK
Language errors: 0.0 1.69756097561 0% => OK
Sentences with positive sentiment : 3.0 3.70975609756 81% => OK
Sentences with negative sentiment : 2.0 1.13902439024 176% => OK
Sentences with neutral sentiment: 1.0 4.09268292683 24% => More facts, knowledge or examples wanted.
What are sentences with positive/Negative/neutral sentiment?
Coherence and Cohesion:
Essay topic to essay body coherence: 0.282673496332 0.215688989381 131% => OK
Sentence topic coherence: 0.163640572554 0.103423049105 158% => OK
Sentence topic coherence SD: 0.0749250926412 0.0843802449381 89% => OK
Paragraph topic coherence: 0.183595026229 0.15604864568 118% => OK
Paragraph topic coherence SD: 0.0748210694245 0.0819641961636 91% => OK
Essay readability:
automated_readability_index: 16.5 13.2329268293 125% => OK
flesch_reading_ease: 56.93 61.2550243902 93% => OK
smog_index: 8.8 6.51609756098 135% => OK
flesch_kincaid_grade: 13.0 10.3012195122 126% => OK
coleman_liau_index: 10.75 11.4140731707 94% => OK
dale_chall_readability_score: 8.37 8.06136585366 104% => OK
difficult_words: 38.0 40.7170731707 93% => OK
linsear_write_formula: 13.5 11.4329268293 118% => OK
gunning_fog: 14.4 10.9970731707 131% => OK
text_standard: 14.0 11.0658536585 127% => OK
What are above readability scores?
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Rates: 84.2696629213 out of 100
Scores by essay e-grader: 7.5 Out of 9
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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.