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Biology, 07.02.2021 05:50 rosie81

What factor prevents us from finding fossils from the Precambrian era? A. Life-forms in this era had no skeletons.
B. This was before life existed on Earth.
C. Life was destroyed by a series of mass extinctions.
D. There are no rocks left from that era.

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What factor prevents us from finding fossils from the Precambrian era? A. Life-forms in this era ha...
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