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stepladder [879]
3 years ago
7

What patterns in the rock layer fossils helped you identify an extinction?

Chemistry
2 answers:
Dafna11 [192]3 years ago
8 0
Often, the rock layers bookending the mass extinction are noticeably different in their compositions. These changes in the rocks show the effects of environmental disturbances that triggered the mass extinction and sometimes hint at the catastrophic cause of the extinction
nignag [31]3 years ago
4 0
What the person said bro
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