What type of stress force produces reverse faults a-shearing b-tension c-compression d-deformation

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

What is a photon? a. part of a ribosome b. a light particle c. a carbon dioxide molecule d. part of a chloroplast b. a light particle

Up to what percentage of the world's flora consisted of cycads during the triassic period? 100% 75% 50% 20%