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Zorluk: ZorSubordination and Coordination

In 1977, oceanographers aboard the research vessel *Alvin* made a startling discovery at the Galapagos Rift: they found hydrothermal vents spewing mineral-rich water into the ocean. Although these vents exist in complete darkness under crushing pressure; yet they support thriving ecosystems powered by chemosynthetic bacteria.

Which of the following choices best replaces the underlined portion of the sentence?

  1. A
    NO CHANGE
  2. Although these vents exist in complete darkness under crushing pressure, theyCevap
  3. C
    These vents exist in complete darkness under crushing pressure, they
  4. D
    Although these vents exist in complete darkness under crushing pressure, but they

Cevap

Although these vents exist in complete darkness under crushing pressure, they
The correct answer properly resolves the sentence structure by removing the redundant coordinating conjunction and using a comma to separate the introductory dependent clause from the main independent clause. This maintains the logical relationship of contrast without introducing punctuation or coordination errors.

Adım Adım Çözüm

1
Identify the clause boundaries and types within the sentence.
The first clause ('Although these vents exist...') is a dependent clause due to the subordinating conjunction 'Although'. The second clause ('they support thriving ecosystems...') is a complete independent clause.
Determining clause types is necessary to select the appropriate coordinating or subordinating conjunctions and punctuation.
2
Evaluate the punctuation and conjunctions connecting the clauses in the original sentence.
A semicolon is used to separate the dependent clause from the independent clause, which is grammatically incorrect. Additionally, 'Although' (subordinating) and 'yet' (coordinating) are both used, creating a double-conjunction error.
Semicolons can only connect two independent clauses, and using two conjunctions to connect the same two clauses is redundant.
3
Evaluate the choices to find one that correctly connects the clauses without punctuation errors or redundancy.
The correct option removes the coordinating conjunction 'yet' and uses a comma instead of a semicolon to connect the introductory dependent clause to the independent clause.
An introductory dependent clause must be followed by a comma before joining the main independent clause.

Anahtar Kavram

Subordination and Coordination
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Konular

Subordination and Coordination

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