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Question

Difficulty: MediumSentence-Level Transitions

Passage

Below a depth of about 150 meters, the Black Sea contains virtually no oxygen, which prevents the survival of wood-boring organisms that normally consume sunken vessels. Consequently, hulls, masts, and even delicate ropes remain intact after centuries underwater.

Which choice provides the most logical transition from the preceding sentence to the sentence that follows while maintaining correct sentence structure?

  1. NO CHANGEAnswer
  2. B
    vessels, consequently,
  3. C
    vessels; conversely,
  4. D
    vessels. Therefore, consequently,

Answer

The correct option is the one that reads 'NO CHANGE' because 'Consequently' properly indicates the cause-and-effect relationship, and the period correctly separates the two independent clauses.
The correct answer accurately expresses a cause-and-effect relationship between the absence of wood-boring organisms and the preservation of the ships' hulls and masts. Using a period to separate the two independent clauses is grammatically correct and prevents a comma splice.

Step-by-Step Solution

1
Analyze the relationship between the two clauses.
The first clause explains the lack of oxygen-consuming organisms, and the second clause describes the preservation of the shipwrecks. This is a cause-and-effect relationship.
To identify which transition word or phrase is logically appropriate.
2
Evaluate the grammar and punctuation joining the two clauses.
Since both clauses are independent, they must be separated by a period, a semicolon, or a coordinating conjunction with a comma.
To avoid grammatical errors like comma splices.
3
Test the options against the logical and grammatical requirements.
The transition 'Consequently' with a period is logically correct and grammatically sound. The other options introduce comma splices, incorrect contrast relations, or redundant wording.
To select the single best choice.

Key Concept

Selecting the appropriate transitional word to establish the correct logical relationship between sentences while ensuring proper punctuation.
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Topics

Sentence-Level Transitions

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