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Which best characterizes the precambrian era? a.abundant plants and animalsb.dinosaursc.small, one-celled organisms and primitive jellyfishd.extensive mountain building?
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Nov 11, 2018
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Which best characterizes the precambrian era?
a.abundant plants and animalsb.dinosaursc.small, one-celled organisms and primitive jellyfishd.extensive mountain building?
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Maor Veitsman
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i'd say that the answer is b.
Scott Emmons
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Nov 16, 2018
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