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Zorluk: OrtaRun-on Sentences and Comma Splices

The following passage contains an underlined portion:

In the deep ocean, hydrothermal vents support unique ecosystems that thrive without sunlight. Organisms such as giant tube worms and ghost crabs rely on chemosynthesis for energy, consequently, the discovery of these vents in 1977 transformed our understanding of biology and the limits of life on Earth. Before this finding, scientists believed that all ecosystems ultimately depended on solar radiation. Now, researchers explore these abyssal zones to search for clues about early life.

Which of the following options best corrects the underlined portion of the passage?

  1. A
    NO CHANGE
  2. energy; consequently, the discovery of these vents in 1977 transformedCevap
  3. C
    energy, consequently, the discovery of these vents in 1977, transforming
  4. D
    energy; consequently, the discovery of these vents in 1977, which transformed

Cevap

The option that changes the comma after 'energy' to a semicolon, uses 'consequently', and keeps the active verb 'transformed'.
The correct option properly separates two independent clauses using a semicolon before the transition word 'consequently'. The first independent clause is 'Organisms such as giant tube worms and ghost crabs rely on chemosynthesis for energy' and the second is 'the discovery of these vents in 1977 transformed our understanding of biology and the limits of life on Earth'. Placing a semicolon between them, followed by a comma after the transition, resolves the comma splice and maintains complete, grammatical sentences.

Adım Adım Çözüm

1
Identify the clause structure around the transition word 'consequently'.
The clauses before and after 'consequently' are both independent: 'Organisms such as giant tube worms and ghost crabs rely on chemosynthesis for energy' and 'the discovery of these vents in 1977 transformed our understanding of biology and the limits of life on Earth'.
Understanding the boundary between independent clauses is necessary to determine the correct punctuation needed to connect them.
2
Select the correct punctuation and conjunction sequence to join the two independent clauses.
A semicolon must precede the conjunctive adverb 'consequently', and a comma must follow it.
Conjunctive adverbs cannot join two independent clauses with only a comma; doing so results in a comma splice. A semicolon provides the proper sentence boundary.

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Run-on Sentences and Comma Splices
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Run-on Sentences and Comma Splices

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