History, 24.08.2019 02:20, Chloe1414

Approximately how much of earth's history occurred during the precambrian super-eon?
a. 30%
b. 50%
c. 75%
d. 90%

Answers: 2

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Approximately how much of earth's history occurred during the precambrian super-eon?
a. 30% <...