The two graphs show the main sources of energy in the USA in 1980 and 1990.
The graphs show how the major sources of energy in USA changed from 1980 to 1990.
Overall, it is evident that the percentage of sources used changed unsignificantly, and oil was still the main source of energy.
The uses of oil and natural gas for energy saw a decline. In 1980, among five sources of energy, oil was the source accounting for the largest figure, at 42%. Although this figure fell to 33% in 1990, it still enjoyed the first place. In term of natural gas, there saw a slight reduction, form 26% in 1980 to 25% in 1990.
Whereas, the proportion of coal and nuclear power which were used to generate energy increased. In 1980, 22% of energy produced from coal, then this figure rose up to 27% and became the second main source of energy. The amount of energy generated from nuclear power was double, from 5% to 10% after 10 years. Despite the changes of other sources, the use of hydroelectric power remained stable at 5% during the observed years.
Grammar and spelling errors:
Line 1, column 48, Rule ID: WHITESPACE_RULE
Message: Possible typo: you repeated a whitespace
Suggestion:
...phs show how the major sources of energy in USA changed from 1980 to 1990. Overa...
^^
Transition Words or Phrases used:
first, if, second, so, still, then, whereas, as for
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 5.0 7.0 71% => OK
Auxiliary verbs: 0.0 1.00243902439 0% => OK
Conjunction : 4.0 6.8 59% => More conjunction wanted.
Relative clauses : 2.0 3.15609756098 63% => OK
Pronoun: 5.0 5.60731707317 89% => OK
Preposition: 36.0 33.7804878049 107% => 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: 793.0 965.302439024 82% => OK
No of words: 173.0 196.424390244 88% => More content wanted.
Chars per words: 4.5838150289 4.92477711251 93% => OK
Fourth root words length: 3.62669911048 3.73543355544 97% => OK
Word Length SD: 2.38350833122 2.65546596893 90% => OK
Unique words: 99.0 106.607317073 93% => More unique words wanted.
Unique words percentage: 0.57225433526 0.547539520022 105% => OK
syllable_count: 234.9 283.868780488 83% => OK
avg_syllables_per_word: 1.4 1.45097560976 96% => OK
A sentence (or a clause, phrase) starts by:
Pronoun: 2.0 1.53170731707 131% => OK
Interrogative: 0.0 0.114634146341 0% => OK
Article: 5.0 4.33902439024 115% => OK
Subordination: 1.0 1.07073170732 93% => OK
Conjunction: 1.0 0.482926829268 207% => Less conjunction wanted as sentence beginning.
Preposition: 7.0 3.36585365854 208% => Less preposition wanted as sentence beginnings.
Performance on sentences:
How many sentences: 10.0 8.94146341463 112% => OK
Sentence length: 17.0 22.4926829268 76% => The Avg. Sentence Length is relatively short.
Sentence length SD: 20.6806673006 43.030603864 48% => The essay contains lots of sentences with the similar length. More sentence varieties wanted.
Chars per sentence: 79.3 112.824112599 70% => OK
Words per sentence: 17.3 22.9334400587 75% => OK
Discourse Markers: 5.1 5.23603664747 97% => OK
Paragraphs: 4.0 3.83414634146 104% => OK
Language errors: 1.0 1.69756097561 59% => OK
Sentences with positive sentiment : 10.0 3.70975609756 270% => Less positive sentences wanted.
Sentences with negative sentiment : 0.0 1.13902439024 0% => More negative sentences wanted.
Sentences with neutral sentiment: 0.0 4.09268292683 0% => More facts, knowledge or examples wanted.
What are sentences with positive/Negative/neutral sentiment?
Coherence and Cohesion:
Essay topic to essay body coherence: 0.345362330598 0.215688989381 160% => OK
Sentence topic coherence: 0.137147294249 0.103423049105 133% => OK
Sentence topic coherence SD: 0.148303477244 0.0843802449381 176% => OK
Paragraph topic coherence: 0.25340676523 0.15604864568 162% => OK
Paragraph topic coherence SD: 0.171182395738 0.0819641961636 209% => More connections among paragraphs wanted.
Essay readability:
automated_readability_index: 8.8 13.2329268293 67% => Automated_readability_index is low.
flesch_reading_ease: 71.14 61.2550243902 116% => OK
smog_index: 3.1 6.51609756098 48% => Smog_index is low.
flesch_kincaid_grade: 7.6 10.3012195122 74% => OK
coleman_liau_index: 8.99 11.4140731707 79% => OK
dale_chall_readability_score: 7.49 8.06136585366 93% => OK
difficult_words: 33.0 40.7170731707 81% => More difficult words wanted.
linsear_write_formula: 7.5 11.4329268293 66% => OK
gunning_fog: 8.8 10.9970731707 80% => OK
text_standard: 9.0 11.0658536585 81% => OK
What are above readability scores?
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Rates: 67.4157303371 out of 100
Scores by essay e-grader: 6.0 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.