An Impact That Took Place at About the Time of the Extinction

question 171

Multiple Choice

An impact that took place at about the time of the extinction of the dinosaurs (and may in fact have caused their extinction) is believed to have created:

• A) Barringer Crater in Arizona.
• B) Manicouagan Crater in Quebec.
• C) Hudson Bay in northern Canada.
• D) Chicxulub Crater in the Yucatán Peninsula.

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Definitions:

Lifetime

The duration of existence of an individual or the total duration an object exists until it is no longer functional.

Racial Group

A classification of humans based on shared physical or social qualities into categories generally viewed as distinct within a given society.

Risk

The probability of an adverse event happening, affecting an individual's health, safety, or success.

Population

The total number of individuals inhabiting a particular area or forming a particular group.