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Author Question: The beginning of the ________ is marked by the appearance of the first life forms with hard parts. (Read 31 times)

mynx

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on: Feb 28, 2020

Question 1

________ are the earliest life forms identified on Earth and they date back to nearly 3.5 billion years ago.
◦ Prokaryotes
◦ Eukaryotes
◦ Echinoderms
◦ Brachiopods

Question 2

The beginning of the ________ is marked by the appearance of the first life forms with hard parts.
◦ Cenozoic
◦ Precambrian
◦ Mesozoic
◦ Paleozoic
Earth Science ¦ Tarbuck, Lutgens, Tasa ¦ 15th Edition
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Marked as best answer by mynx on Feb 28, 2020

tranoy

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Reply #1 on: Feb 28, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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mynx

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Reply 2 on: Feb 28, 2020
Thanks for the timely response, appreciate it

bitingbit

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

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