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Author Question: Devonian mass extinctions were caused by global cooling that made the environment unfavorable for ... (Read 27 times)

kodithompson

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on: Jul 15, 2018

Devonian mass extinctions were caused by global cooling that made the environment unfavorable for
  the widespread reef organisms of the time period. Indicate whether the statement is true or false.



Question 2

In the Early Cambrian, there was a great diversity of fauna that represented many phyla that exist
  today. Indicate whether the statement is true or false.



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1_Step_At_ATime

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Reply #1 on: Jul 15, 2018
Answer to Question 1

T

Answer to Question 2

F


kodithompson

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Reply 2 on: Jul 15, 2018
Excellent

xiazhe

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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