Oceanographers collect a sediment core from the pelagic Southern Ocean looking for evidence of the Eocene-Oligocene glaciation, which occurred 34 million years ago. Which of the following would provide strong evidence that they found this event?

Which revelation resulted from the observation of the spectrum of different galaxies? a. there were more galaxies whose spectrum was blueshifted b. there were no galaxies whose spectrum was redshifted c. there were more galaxies whose spectrum was redshifted d. there were no galaxies whose spectrum was blueshifted