It Appears That the Dates That Early Geologists Identified as the Boundaries

question 6

Essay

It appears that the dates that early geologists identified as the boundaries between eras coincide with mass extinction events. What is a mass extinction event? What might this event look like in the fossil record?

---

Definitions:

Breadwinner

The primary income earner in a household, responsible for supporting the financial needs of the family.

Air Conditioning

Technology designed to control and maintain the temperature, humidity, and air purity in indoor spaces.

Postwar Years

The period following a war, often marked by reconstruction, reorganization, and adjusting to peacetime conditions.

Phoenix, Arizona

Phoenix, Arizona, is the capital city of the U.S. state of Arizona and is known for its hot desert climate, vibrant nightlife, and rich cultural history.