One of the Strongest Lines of Evidence of a Meteor

question 37

Multiple Choice

One of the strongest lines of evidence of a meteor or comet impact in the late Cretaceous is

• A) the extinction of the dinosaurs in only South America.
• B) a thin layer of potassium-40 in late Cretaceous fossil strata.
• C) a thin layer of iridium-enriched clay in late Cretaceous fossil strata.
• D) the warming of Earth's climate in the late Cretaceous.

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Definitions:

Body Mass Index

A numerical measurement of a person's body weight in relation to their height.

Classified

Designated as confidential, secret, or top secret to protect national security or sensitive information.

Obese

A condition characterized by excessive body fat that presents a risk to health.

Cardiovascular Disease

A class of diseases that involve the heart or blood vessels, including coronary artery disease, hypertension, and heart failure.