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Author Question: One important reason we do not know much about the geologic history of the Precambrian is that ________. (Read 144 times)

imowrer

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on: Feb 28, 2020
One important reason we do not know much about the geologic history of the Precambrian is that ________.
◦ radioactivity was not measurable during the Precambrian
◦ the climate was so harsh that erosion removed most of the rocks that formed during the Precambrian
◦ we have not yet been able to establish the half-lives for radioactive elements that existed in the Precambrian
◦ there are very few fossils preserved in Precambrian rocks
◦ rocks did not exist during much of that time
Earth Science ¦ Tarbuck, Lutgens, Tasa ¦ 15th Edition
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Marked as best answer by imowrer on Feb 28, 2020

cpetit11

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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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imowrer

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Reply 2 on: Feb 28, 2020
Excellent

covalentbond

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Reply 3 on: Yesterday
Gracias!

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