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Difficulty: MediumSubordination and Coordination

In the early 2000s, physicist Carl Haber developed a non-contact method to recover sound from damaged historical recordings. Using high-resolution digital imaging, Haber’s system—known as IRENE—creates a detailed three-dimensional map of a record's grooves. Although this technology is highly effective at reconstructing audio without touching the fragile surface. The processing of these massive image files requires significant computational power.

Which of the following options is the most effective replacement for the underlined portion?

  1. A
    NO CHANGE
  2. Although this technology is highly effective at reconstructing audio without touching the fragile surface, the processingAnswer
  3. C
    This technology is highly effective at reconstructing audio without touching the fragile surface, the processing
  4. D
    Although this technology is highly effective at reconstructing audio without touching the fragile surface; the processing

Answer

The option that connects the dependent clause to the independent clause with a comma ('Although this technology is highly effective at reconstructing audio without touching the fragile surface, the processing') is the correct answer.
The correct option correctly recognizes that the clause starting with the subordinating conjunction 'Although' is dependent. To form a grammatically correct sentence, it must be joined to the subsequent independent clause with a comma.

Step-by-Step Solution

1
Identify the grammatical roles of the clauses involved.
The clause 'Although this technology is highly effective at reconstructing audio without touching the fragile surface' is a dependent (subordinating) clause. The clause 'the processing of these massive image files requires significant computational power' is an independent clause.
Understanding the structure of the clauses helps determine the appropriate conjunctions and punctuation needed to join them.
2
Evaluate the punctuation and conjunctions needed to connect a dependent clause followed by an independent clause.
An introductory dependent clause must be followed by a comma before the independent clause starts.
This establishes a clear relationship of subordination without creating fragments or comma splices.
3
Select the option that matches this rule.
The option replacing the period with a comma correctly links the dependent clause to the main clause.
It resolves the fragment issue in the original sentence without introducing new errors like a comma splice or incorrect semicolon usage.

Key Concept

Subordination and Coordination
Estimated Time:1m 0s
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Topics

Subordination and Coordination

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