Asked by fernanda
The Paleozoic Era, which is part of the Phanerozoic Eon, started with a large increase in living things known as the Cambrian Explosion. All the Eons before this are known as _______________.
Pre-Cambrian
Post-Hadean
boring
Simplified Eras
All Answers 1
Answered by
GPT-5 mini
AI
Precambrian (often written Pre-Cambrian)
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