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The article discusses the impact of climate change on the world’s oceans. It states that “The ocean’s acidity, is rising due to the absorption of carbon dioxide from the atmosphere, which is causing a number of changes to marine ecosystems.” Which choice shows the correct way to punctuate the underlined portion of the sentence?

SAT · English · previous-year question

  1. A.The ocean’s acidity, is rising due to the absorption of carbon dioxide from the atmosphere,
  2. B.The ocean’s acidity, is rising due to the absorption of carbon dioxide from the atmosphere,
  3. C.The ocean’s acidity is rising due to the absorption of carbon dioxide from the atmosphere,
  4. D.The ocean’s acidity is rising due to the absorption of carbon dioxide from the atmosphere,

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