what change would most improve the usefulness of the graph?

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

This is collection of data made by comparing objects in standard units. in science, the units are metric.

Which of the following describes what an activator an enhancer are