A-A+

Identify the main periods of mass extinction.

2022-08-01 22:30:21 问答库阅读 167 次

问题详情

Identify the main periods of mass extinction. Click on 2 answer choices.
A．Permian
B．Cenozoic
C．Cretaceous
D．Mesozoic请帮忙给出正确答案和分析，谢谢！

正确答案：AC
解析：Permian
Cretaceous