Acidity or alkalinity are measured as ph
true
false
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Researchers want to use edna to look for an invasive species in the water which of the steps would be likely do last

Twin boys have girlfriends one of the couples have a baby would the dna of the lil baby be the same as the couples dna bc the boys are identical twins

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