★ Must-know
Further detail
Earth: 4.5 billion years; humans: only 200,000 years
1. Which comparison best describes the ages of Earth and the emergence of the human species?
2. How have geologists organized the history of Earth?
3. Who divided the Stone Age into the Paleolithic and Neolithic periods in 1865?
How old is the Earth approximately?
The Earth is approximately 4.5 billion years old.
When did the human species emerge approximately?
The human species emerged approximately 200,000 years ago.
Into how many eras have geologists divided Earth's history?
Geologists have divided Earth's history into four eras.
Who divided the Stone Age into Paleolithic and Neolithic periods?
John Lubbock.
In which year did John Lubbock classify the Stone Age?
1865.
In which book did John Lubbock divide the Stone Age?
Pre-historic Times.
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