Which of these statements best describes a similarity between weathering and combustion? Both increase the level of carbon in the biosphere both reduce the level of carbon in the biosphere both transfer carbon from the atmosphere to the geosphere both transfer carbon from the geosphere to the atmosphere

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