Geologists studying the 1815 eruption of Mount Tambora have analyzed volcanic ash preserved deep within polar ice cores. These microscopic particles provide a precise chronological record of atmospheric sulfur concentration, however, trace element signatures also reveal the exact global temperature shifts that followed the cataclysmic event.
Which choice best corrects the punctuation error in the underlined portion?
- ANO CHANGE
- concentration; however, trace element signatures also revealAnswer
- Cconcentration; because trace element signatures also reveal
- Dconcentration. Although trace element signatures also reveal
Answer
The option using a semicolon followed by 'however' and a comma accurately resolves the comma splice by properly joining two independent clauses.
The correct choice places a semicolon before the conjunctive adverb 'however' and a comma after it, which is the standard rule for connecting two independent clauses without forming a comma splice or run-on sentence.
Step-by-Step Solution
Key Concept
Run-on Sentences and Comma Splices