What conclusions can you make about how a change in the condition of the ocean affects the different species in coral reefs?

What is the importantence of the carbon and nitretan cycles in the environment

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

Match each term to its best definition? sedimentary depositional enviornment