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What event marks the beginning of Earth's current era? O A. The emergence of human life O B. A mass extinction O C. The disappearance of land bridges O D. The end of the last ice age
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What event marks the beginning of Earth's current era?

O A. The emergence of human life
O B. A mass extinction
O C. The disappearance of land bridges
O D. The end of the last ice age

User Ponsuyambu
by
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2 Answers

6 votes

Answer:

A mass extinction

Step-by-step explanation:

User STRML
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5 votes
B. We are in the cenzoic era so what previously had happen to cause the life we live today was a huge mass extinction.... hope this helps!!
User FatBruno
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