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Chapter 2: Problem 28

(A) NO CHANGE (B) However: in recent decades, (C) However in recent decades, (D) In recent decades however;

Short Answer

Expert verified
Option C is correct; it properly places 'However' and the comma.

Step by step solution

01

- Analyze the Original Sentence

First, review the sentence as it is currently written with the option (A) NO CHANGE. Determine if the sentence makes sense and if it is clear as written.
02

- Understand the Role of 'However'

Determine the purpose of using 'However' in the sentence. 'However' is used to introduce a contrast or exception. Ensure its placement properly conveys the intended contrast or shift.
03

- Examine Option B

Review option B: 'However: in recent decades,'. Check if this structure correctly integrates the contrast 'However' and if the punctuation (colon) is properly used in the sentence.
04

- Examine Option C

Review option C: 'However in recent decades,'. Check if the comma placement after 'decades' properly separates the introductory phrase and sets the correct tone for the contrast.
05

- Examine Option D

Review option D: 'In recent decades however;'. Check if the semicolon is correctly used and if it provides the appropriate break in the sentence to maintain clarity.
06

- Identify the Best Option

Compare all the options based on punctuation and the proper use of 'However'. Determine which option effectively introduces the contrasting idea while maintaining proper grammar and clear meaning.

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Key Concepts

These are the key concepts you need to understand to accurately answer the question.

sentence structure
Sentence structure is the way a sentence is arranged, grammatically. It involves the order of words, punctuation, and how parts of speech are used in a sentence. A good sentence structure ensures clarity and readability. To craft a well-structured sentence:
  • Place the subject before the verb for clarity.
  • Use clauses effectively to add information.
  • Combine sentences to avoid choppiness.
For example, consider the sentence: 'However, in recent decades, researchers have discovered new evidence.' This structure clearly sets up a contrast and smoothly connects to the main action of the sentence. Revising sentences to improve structure is key to effective writing.
punctuation
Punctuation marks are essential for indicating pauses, stops, and the tone of a sentence. Proper punctuation can change the meaning of a sentence:
  • A comma (,) is used for short pauses and to separate elements in a list.
  • A colon (:) introduces a list, explanation, or quotation.
  • A semicolon (;) links closely related independent clauses.
In the exercise, punctuation decisions affect clarity: 'However, in recent decades,' uses a comma to introduce a contrast smoothly. Misusing punctuation, like placing a semicolon incorrectly, can lead to confusion. Correct punctuation helps your reader understand your intended meaning.
contrast words
Contrast words like 'however,' 'but,' and 'although' signal a change in direction or introduce an exception. These words are vital for highlighting differences or contradictions:
  • 'However' is often used with a comma: 'However, it did not rain.'
  • 'Although' introduces a dependent clause: 'Although it was raining, we went out.'
  • 'But' connects contrasting ideas in a simpler form: 'It was sunny, but cold.'
In the exercise, 'However' is used to contrast the recent past with earlier times. Placing contrast words correctly ensures that the reader easily grasps the shift in ideas.
introduction phrases
Introduction phrases set the stage for the main part of the sentence by providing context. They often contain important background information and are separated by commas:
  • 'In recent decades,'
  • 'Due to technological advances,'
  • 'After much consideration,'
An effective introduction phrase can make your writing more engaging and informative. For example, 'In recent decades, researchers have uncovered new data.' This phrase provides a timeframe that leads smoothly into the main information. Properly structuring introduction phrases helps to set a clear context for your readers.

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Most popular questions from this chapter

Lena bought a saltwater fish tank that holds 400 gallons of water. She started filling the tank on Friday, but then stopped after putting only 70 gallons of water in the tank. On Saturday, she bought a bigger hose and began filling the tank again. It took her 1 hour and 50 minutes on Saturday to completely fill the tank. Which equation represents the number of gallons of water in the fish tank on Saturday, given the amount of time in minutes that Lena spent filling the tank? (A) \(y=3 x+70\) (B) \(y=3 x+330\) (C) \(y=70 x+330\) (D) \(y=110 x+70\)

If \(g(x)=3 x-5\) and \(h(x)=\frac{7 x+10}{4},\) at what point does the graph of \(g(x)\) intersect the graph of \(h(x) ?\) \begin{equation} \begin{array}{l}{\text { (A) }(-2,-11)} \\ {\text { (B) }(-2,1)} \\ {\text { (C) }(3,4)} \\ {\text { (D) }(6,13)}\end{array} \end{equation}

(A) NO CHANGE (B) In a time when foundations of truth seemed to be crumbling, Descattes's writings proposed an alternative foundation: individual reason. (C) Despite the fact that foundations of truth seemed to be crumbling, Descartes's writings proposed an alternative foundation: individual reason. (D) Before foundations of truth seemed to be crumbling, Descartes's writings proposed an alternative foundation: individual reason.

Which choice provides the most appropriate introduction to the paragraph? (A) NO CHANGE (B) Kelli admires the engineers who administer the safety training. (C) The skills Kelli acquires can be applied to existing knowledge. (D) Kelli will also earn an underwater safety training certificate.

(A) NO CHANGE (B) Like most chemists, Constantin Fahlberg worked on his research in a laboratory. (C) Constantin Fahlberg worked on his research, like most chemists, in a laboratory. (D) A laboratory, like most chemists, is where Constantin Fahlberg worked on his research.
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