The Salton Sea in California is actually a salty inland lake. The level of salt in the lake's water—what scientists call its salinity—has been increasing steadily for years because the lake's water is evaporating faster than it is being replaced by rainfall or rivers. If the trend continues, the lake's water will soon become so salty that the lake will be unable to support fish and bird populations. The lake would then become essentially a dead zone. Fortunately, there are several ways to reverse the trend that is threatening the lake's health.
One option is direct removal of salt from the lake's water in special desalination facilities. Water from the lake would be pumped into the facilities and heated. This would cause the water to evaporate into steam, while salt and other materials dissolved in the water would be left behind. The steam would then be cooled down and returned to the lake as salt-free water. Gradually, the high salt levels would be reduced and the lake’s overall health would be restored.
Another possible solution is to dilute the salt level in the lake with water from the ocean. Since water in the Pacific Ocean is 20 percent less salty than water in the lake, bringing ocean water into the lake would decrease the lake’s salinity. The ocean water could be delivered through pipelines or canals.
Yet another solution would be to control the lake's salinity by constructing walls to divide the lake into several sections. In the smaller sections, salinity would be allowed to increase. However, in the main and largest section, salinity would be reduced and controlled by, among other things, directing all the freshwater from small rivers in the area to flow into that main section of the lake.
Summarize the points made in the lecture, being sure to explain how they respond to the specific concerns presented in the reading passage.
The reading suggests several ways to reduce the salinity of the lake and provides three reasons for support. However, the professor says that the methods are unrealistic and impractical and refutes the author's reason.
First, the reading claims that desalination would be an option for the direct removal of salt from the lake's water. The professor opposes this suggestion by saying that in the desalination process salt and other materials would be left behind and this salt would be a health risk. He also states that there would be other materials that can be toxic and can spread into the air. People will breathe these harmful materials into their bodies.
Second, the reading posits that bringing ocean water into the lake would decrease the lake's salinity. However, the professor mentions that it requires a large pipeline. He states that the city does have not enough resources to spend money on this 100km long pipeline.
Third, the reading says that constructing walls to divide the lake into several sections would be another solution. However, the professor refutes this point by explaining that earthquakes can destroy the walls. We also learn that after destroying walls, the water of high salty will mix with the low salty water.
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| 2023-08-05 | nusybah | 85 | view |
| 2023-07-24 | YasamanEsml | 90 | view |
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| 2023-07-20 | Take | 78 | view |
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- In surveys Mason City residents rank water sports swimming boating and fishing among their favorite recreational activities The Mason River flowing through the city is rarely used for these pursuits however and the city park department devotes little of i 50
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Grammar and spelling errors:
Line 5, column 87, Rule ID: POSSESIVE_APOSTROPHE[2]
Message: Possible typo: apostrophe is missing. Did you mean 'lakes'' or 'lake's'?
Suggestion: lakes'; lake's
... water into the lake would decrease the lakes salinity. However, the professor mentio...
^^^^^
Transition Words or Phrases used:
also, first, however, second, so, third
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 7.0 10.4613686534 67% => OK
Auxiliary verbs: 11.0 5.04856512141 218% => Less auxiliary verb wanted.
Conjunction : 6.0 7.30242825607 82% => OK
Relative clauses : 11.0 12.0772626932 91% => OK
Pronoun: 21.0 22.412803532 94% => OK
Preposition: 18.0 30.3222958057 59% => More preposition wanted.
Nominalization: 4.0 5.01324503311 80% => OK
Performance on vocabulary words:
No of characters: 1049.0 1373.03311258 76% => OK
No of words: 205.0 270.72406181 76% => More content wanted.
Chars per words: 5.11707317073 5.08290768461 101% => OK
Fourth root words length: 3.78388967377 4.04702891845 93% => OK
Word Length SD: 2.36570781547 2.5805825403 92% => OK
Unique words: 115.0 145.348785872 79% => More unique words wanted.
Unique words percentage: 0.560975609756 0.540411800872 104% => OK
syllable_count: 308.7 419.366225166 74% => OK
avg_syllables_per_word: 1.5 1.55342163355 97% => OK
A sentence (or a clause, phrase) starts by:
Pronoun: 3.0 3.25607064018 92% => OK
Article: 9.0 8.23620309051 109% => OK
Subordination: 0.0 1.25165562914 0% => More adverbial clause wanted.
Conjunction: 0.0 1.51434878587 0% => OK
Preposition: 0.0 2.5761589404 0% => More preposition wanted as sentence beginning.
Performance on sentences:
How many sentences: 12.0 13.0662251656 92% => OK
Sentence length: 17.0 21.2450331126 80% => The Avg. Sentence Length is relatively short.
Sentence length SD: 24.5611481816 49.2860985944 50% => The essay contains lots of sentences with the similar length. More sentence varieties wanted.
Chars per sentence: 87.4166666667 110.228320801 79% => OK
Words per sentence: 17.0833333333 21.698381199 79% => OK
Discourse Markers: 3.25 7.06452816374 46% => More transition words/phrases wanted.
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 : 3.0 4.45695364238 67% => OK
Sentences with neutral sentiment: 7.0 4.27373068433 164% => OK
What are sentences with positive/Negative/neutral sentiment?
Coherence and Cohesion:
Essay topic to essay body coherence: 0.199734086589 0.272083759551 73% => OK
Sentence topic coherence: 0.0746386685248 0.0996497079465 75% => OK
Sentence topic coherence SD: 0.0782479635455 0.0662205650399 118% => OK
Paragraph topic coherence: 0.124130706503 0.162205337803 77% => OK
Paragraph topic coherence SD: 0.0172728486621 0.0443174109184 39% => 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: 11.2 13.3589403974 84% => Automated_readability_index is low.
flesch_reading_ease: 62.68 53.8541721854 116% => OK
smog_index: 3.1 5.55761589404 56% => Smog_index is low.
flesch_kincaid_grade: 8.7 11.0289183223 79% => OK
coleman_liau_index: 12.12 12.2367328918 99% => OK
dale_chall_readability_score: 7.87 8.42419426049 93% => OK
difficult_words: 44.0 63.6247240618 69% => More difficult words wanted.
linsear_write_formula: 11.0 10.7273730684 103% => OK
gunning_fog: 8.8 10.498013245 84% => OK
text_standard: 9.0 11.2008830022 80% => OK
What are above readability scores?
---------------------
Rates: 60.0 out of 100
Scores by essay e-grader: 18.0 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.