The graph below shows ocean data relating to climate change. explain why both the atmospheric and seawater carbon dioxide levels are rising simultaneously. graph shows ocean data related to climate change. from 1960 to 2010 the amount of seawater carbon dioxide ranges from 315 to 380. from 1990 to 2010 the seawater ph ranges from 8.13 to 8.08 and the atmospheric carbon dioxide ranges from 8.13 to 8.30. a. carbon dioxide levels are increasing in the air, and the ocean is absorbing carbon dioxide; atmospheric levels are increasing so much that the increase is still apparent even with increasing absorption of carbon dioxide by the ocean. b. carbon dioxide levels are increasing in the atmosphere, and in the ocean simultaneously due to different processes; these patterns are not related. c. carbon dioxide levels are increasing in the atmosphere, and the ocean absorbs this carbon dioxide, so the atmospheric carbon dioxide levels will begin to decrease in the future as more is absorbed by the ocean. d. carbon dioxide levels are increasing in the ocean, and the ocean releases carbon dioxide into the air. the most carbon dioxide the ocean contains, the more it can release into the air.