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OpenStudy (anonymous):
The Precambrian time period is segmented into very few parts because: a. the fossil record is scarce c. cyanobacteria were the only life form b. life did not exist d. volcanic activity ruined the fossil record
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OpenStudy (gtxmuqsit):
Answer of your qts is Life did not exist @taliea
OpenStudy (anonymous):
thank you!
OpenStudy (gtxmuqsit):
welcome :)
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