Car manufacturers and governments have been eagerly seeking a replacement for the automobile's main source of power, the internal-combustion engine. By far the most promising alternative source of energy for cars is the hydrogen-based fuel-cell engine, which uses hydrogen to create electricity that, in turn, powers the car. Fuel-cell engines have several advantages over internal-combustion engines and will probably soon replace them.
One of the main problems with the internal-combustion engine is that it relies on petroleum, either in the form of gasoline or diesel fuel. Petroleum is a finite resource; someday, we will run out of oil. The hydrogen needed for fuel-cell engines cannot easily be depleted. Hydrogen can be derived from various plentiful sources, including natural gas and even water. The fact that fuel-cell engines utilize easily available, renewable resources makes them particularly attractive.
Second, hydrogen-based fuel cells are attractive because they will solve many of the world's pollution problems. An unavoidable by-product of burning oil is carbon dioxide, and carbon dioxide harms the environment. On the other hand, the only byproduct of fuel-cell engines is water.
Third, fuel-cell engines will soon be economically competitive because people will spend less money to operate a fuel-cell engine than they will to operate an internal-combustion engine. This is true for one simple reason: a fuel-cell automobile is nearly twice as efficient in using its fuel as an automobile powered by an internal-combustion engine is. In other words, the fuel-cell powered car requires only half the fuel energy that the internal-combustion powered car does to go the same distance.
car manufacturers and governments have been eagerly seeking a replacement for the automobile's main source of power, the internal-combustion engine. By far the most promising alternative source of energy for cars is the hydrogen-based fuel-cell engine, which uses hydrogen to create electricity that, in turn, powers the car. fuel-cell engines have several advantages over internal-combustion engines and will probably soon replace them.
one of the main problems with the internal-combustion engine is that it relies on petroleum, either in the form of gasoline or diesel fuel. petroleum is a finite resource; someday, we will run out of oil. The hydrogen needed for fuel-cell engines cannot easily be depleted. hydrogen can be derived from various plentiful sources, including natural gas and even water. The fact that fuel-cell engines utilize easily available, renewable resources makes them particularly attractive.
Second, hydrogen-based fuel cells are attractive because they will solve many of the world's pollution problems. An unavoidable by-product of burning oil is carbon dioxide, and carbon dioxide harms the environment. On the other hand, the only byproduct of fuel-cell engines is water.
Third, fuel-cell engines will soon be economically competitive because people will spend less money to operate a fuel-cell engine than they will to operate an internal-combustion engine. This is true for one simple reason: a fuel-cell automobile is nearly twice as efficient in using its fuel as an automobile powered by an internal-combustion engine is. In other words, the fuel-cell powered car requires only half the fuel energy that the internal-combustion powered car does to go the same distance.
- Do you agree or disagree with the following statement? People today spend too much time on personal enjoyment-doing things they like to do-rather than doing things they should do. Use specific reasons and examples to support your answer. 85
- TPO11 integrated writing. 80
- TPO17 80
- The most efficient way to approach a project. 80
- The best way to approach certain new projects is to assemble a group of people into a team 3
Grammar and spelling errors:
Line 1, column 1, Rule ID: UPPERCASE_SENTENCE_START
Message: This sentence does not start with an uppercase letter
Suggestion: Car
car manufacturers and governments have been...
^^^
Line 1, column 326, Rule ID: UPPERCASE_SENTENCE_START
Message: This sentence does not start with an uppercase letter
Suggestion: Fuel-cell
...ctricity that, in turn, powers the car. fuel-cell engines have several advantages over in...
^^^^^^^^^
Line 5, column 1, Rule ID: UPPERCASE_SENTENCE_START
Message: This sentence does not start with an uppercase letter
Suggestion: One
...d will probably soon replace them. one of the main problems with the internal-...
^^^
Line 5, column 141, Rule ID: UPPERCASE_SENTENCE_START
Message: This sentence does not start with an uppercase letter
Suggestion: Petroleum
...in the form of gasoline or diesel fuel. petroleum is a finite resource; someday, we will ...
^^^^^^^^^
Line 5, column 275, Rule ID: UPPERCASE_SENTENCE_START
Message: This sentence does not start with an uppercase letter
Suggestion: Hydrogen
...cell engines cannot easily be depleted. hydrogen can be derived from various plentiful s...
^^^^^^^^
Line 9, column 86, Rule ID: POSSESIVE_APOSTROPHE[1]
Message: Possible typo: apostrophe is missing. Did you mean 'worlds'' or 'world's'?
Suggestion: worlds'; world's
...ive because they will solve many of the worlds pollution problems. An unavoidable by-p...
^^^^^^
Transition Words or Phrases used:
if, second, so, third, in other words, on the other hand
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 13.0 10.4613686534 124% => OK
Auxiliary verbs: 8.0 5.04856512141 158% => OK
Conjunction : 5.0 7.30242825607 68% => OK
Relative clauses : 5.0 12.0772626932 41% => More relative clauses wanted.
Pronoun: 12.0 22.412803532 54% => OK
Preposition: 24.0 30.3222958057 79% => OK
Nominalization: 10.0 5.01324503311 199% => OK
Performance on vocabulary words:
No of characters: 1465.0 1373.03311258 107% => OK
No of words: 258.0 270.72406181 95% => OK
Chars per words: 5.67829457364 5.08290768461 112% => OK
Fourth root words length: 4.00778971557 4.04702891845 99% => OK
Word Length SD: 3.4805446203 2.5805825403 135% => OK
Unique words: 153.0 145.348785872 105% => OK
Unique words percentage: 0.593023255814 0.540411800872 110% => OK
syllable_count: 468.0 419.366225166 112% => OK
avg_syllables_per_word: 1.8 1.55342163355 116% => OK
A sentence (or a clause, phrase) starts by:
Pronoun: 2.0 3.25607064018 61% => OK
Article: 6.0 8.23620309051 73% => OK
Subordination: 0.0 1.25165562914 0% => More adverbial clause wanted.
Conjunction: 1.0 1.51434878587 66% => OK
Preposition: 4.0 2.5761589404 155% => 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: 39.0570618664 49.2860985944 79% => OK
Chars per sentence: 104.642857143 110.228320801 95% => OK
Words per sentence: 18.4285714286 21.698381199 85% => OK
Discourse Markers: 4.0 7.06452816374 57% => More transition words/phrases wanted.
Paragraphs: 4.0 4.09492273731 98% => OK
Language errors: 6.0 4.19205298013 143% => OK
Sentences with positive sentiment : 10.0 4.33554083885 231% => Less positive sentences wanted.
Sentences with negative sentiment : 3.0 4.45695364238 67% => OK
Sentences with neutral sentiment: 1.0 4.27373068433 23% => More facts, knowledge or examples wanted.
What are sentences with positive/Negative/neutral sentiment?
Coherence and Cohesion:
Essay topic to essay body coherence: 0.536340985805 0.272083759551 197% => OK
Sentence topic coherence: 0.189116314932 0.0996497079465 190% => OK
Sentence topic coherence SD: 0.188498961837 0.0662205650399 285% => The coherence between sentences is low.
Paragraph topic coherence: 0.341700593724 0.162205337803 211% => OK
Paragraph topic coherence SD: 0.268480511428 0.0443174109184 606% => More connections among paragraphs wanted.
Essay readability:
automated_readability_index: 14.5 13.3589403974 109% => OK
flesch_reading_ease: 36.28 53.8541721854 67% => OK
smog_index: 8.8 5.55761589404 158% => OK
flesch_kincaid_grade: 12.7 11.0289183223 115% => OK
coleman_liau_index: 15.66 12.2367328918 128% => OK
dale_chall_readability_score: 8.69 8.42419426049 103% => OK
difficult_words: 68.0 63.6247240618 107% => OK
linsear_write_formula: 12.0 10.7273730684 112% => OK
gunning_fog: 9.2 10.498013245 88% => OK
text_standard: 9.0 11.2008830022 80% => 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.