Why Did Scientists FIRST Hypothesize That a Meteorite Impact Caused

question 56

Multiple Choice

Why did scientists FIRST hypothesize that a meteorite impact caused the extinction at the K-T boundary?

• A) They found evidence of a giant tsunami on the Gulf coast.
• B) They found evidence of an impact crater in Mexico.
• C) They found evidence of wildfires in many regions throughout the globe.
• D) They found evidence of iridium enrichments in a clay layer that led them to believe that the iridium was the remains of a meteorite impact.
• E) They found evidence of acid rain in the rocks in the Southern Hemisphere.

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Definitions:

Capital Acquisition

The process of acquiring capital assets, which are resources such as machinery, tools, or buildings, used to produce goods or services.

MPC

Marginal Propensity to Consume, which is the fraction of an additional amount of income that is spent on consumption.

Corporation's Capitalization

The total value of a corporation's issued shares of stock, bonds, and long-term debt, reflecting the market's assessment of its total worth.

Common Stock

Common Stock represents ownership in a corporation, giving shareholders voting rights and a share in the company's profits via dividends.