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ziro4ka [17]
3 years ago
6

3. What is the name of the era (time interval) prior to the presence of abundant fossils?

Biology
1 answer:
timofeeve [1]3 years ago
6 0

answer: proterozoic eon

Explanation:  they found an abundant amount of fossils around 1.8 billion years ago, this would be called the  proterozoic eon

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