QQuestionArt
QuestionArt
Which geologic era lasted the longest?
A. Cenozoic
B. Mesozoic
C. Paleozoic
D. Precambrian
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Answer
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Step 1I'll solve this problem step by step, focusing on the geological time scale and the duration of each era.
Step 2: Understand the Geological Time Scale
The geological time scale divides Earth's history into major eras based on significant geological and biological events. The main eras are: - Precambrian - Paleozoic - Mesozoic - Cenozoic
Final Answer
Precambrian
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