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Questions and Answers
Based on radiometric dating of meteorites and Earth rocks, the age of the Earth is approximately how many billion years?
Based on radiometric dating of meteorites and Earth rocks, the age of the Earth is approximately how many billion years?
- 6.2 billion years
- 8.9 billion years
- 4.54 billion years (correct)
- 2.5 billion years
Which of the following is not a division used in the geologic time scale?
Which of the following is not a division used in the geologic time scale?
- Era
- Aeon (correct)
- Eon
- Epoch
What does the principle of Uniformitarianism posit?
What does the principle of Uniformitarianism posit?
- Geological processes are influenced by human activity
- Geological processes have changed over time
- Geological processes are unpredictable
- Geological processes have operated similarly throughout Earth's history (correct)
Which type of plate boundary involves plates moving apart?
Which type of plate boundary involves plates moving apart?
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What is the purpose of dividing Earth's history into eons, eras, periods, and epochs?
What is the purpose of dividing Earth's history into eons, eras, periods, and epochs?
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