Which Observation Would Undermine, and Not Provide Support For, the Idea

question 54

Multiple Choice

Which observation would undermine, and not provide support for, the idea that a meteorite impacted Earth at the end of the Mesozoic?

• A) rapid decrease in sulfuric acid and nitric acid concentrations
• B) thin, global iridium layer between Cretaceous and Paleogene rocks
• C) soot layer between Cretaceous and Paleogene rocks
• D) shock-metamorphosed quartz between Cretaceous and Paleogene rocks
• E) an impact crater dated to Cretaceous times

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The process of creating, sharing, using, and managing the knowledge and information of an organization to achieve its objectives.

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