Veins carry deoxygenated blood while arteries carry blood rich with oxygen.
1) True
2) F...
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How can a geological time scale best be reconstructed? a) comparing vestigial structures in living species b) comparing homologous structures in living species c) examining homologous structures in fossil remains d) examining the written records of scientists from past cultures
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If the nucleus of a cell was removed the cell wouldn’t be able to make proteins because
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Sequence how oxygen accumulated in the atmosphere and the effect it had on life by completing the flowchart
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