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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Definitions:

Production Possibilities Curve

A graphical representation showing the maximum number of goods or services that can be produced in an economy given available resources and technology.

Scarce Goods

Items that are limited in availability compared to the desires of people to possess them, requiring mechanisms like pricing or rationing to distribute them.

Unlimited Wants

The economic concept that humans have infinite desires or wishes for goods and services, despite having limited resources.

Invention

The creation of a new product or process, often facilitated by the knowledge of engineering and science.