Which of the following is not a component of a normal experiment? A. Independent variable
O E Control group
C. Validity group
D. Dependent variable
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How does a lytic infection differ from a lysogenic infection?

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

Blank is a rock with a find dark texture that makes up the oceanic crust