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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

In this experiment, the was intentionally manipulated. it is the independent variable. the dependent variables that were measured were the

Gram-negative bacteria have a cell wall that is! and does not accept the stain, making itappear