An explanation discussing which kinds of mutations are least severe and which are most severe.

Consider the model of the oxygen cycle on earth. the majority of earth's oxygen reservoirs are found in the a) atmosphere. b) biosphere. c) hydrosphere. d) lithosphere.

Which of these is most likely to happen if parallax measurements of star distances are taken after a gap of six months? the results would be accurate the results would be inconsistent the results would not be valid the results would not be repeated

In the ocean why are the greatest amount of primary producers found in the epipelagic zone and how does that affect biodiversity