Distinguish between Monocular microscope and binoculars microscope

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

Which of the organisms listed below performs nitrogen fixation? a. legumes b. plants c. bacteria d. fungi

9. the history of life on earth is recorded in