Which of the Following Best Explains Why Middle Adulthood Starts

question 13

Multiple Choice

Which of the following best explains why middle adulthood starts later and lasts longer now than in the early 1900s?

• A) People today have fewer children than people in the early 1900s.
• B) People today have a higher income than people in the early 1900s.
• C) People today have less anxiety in their lives than people in the early 1900s.
• D) People today have healthier lifestyles than people in the early 1900s.

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Definitions:

Oldest Rocks

The earliest-formed rocks on Earth or within a specific geological setting, often found in the deepest layers of the Earth's crust.

Mass Extinctions

Significant global events in the Earth's history where large percentages of species die out in a relatively short period of time, often due to catastrophic environmental changes.

Geologic Timescale

A method of dating based on the chronological correlation of Earth's geological layers to time, utilized by geologists for depicting the sequence and association of historical events on Earth.

Seafloor Spreading

The process by which new oceanic crust is formed at mid-ocean ridges and slowly moves away from them.