Primary productivity uses carbon dioxide to produce organic carbon, so the oceans could be taking up some of the carbon dioxide that humans produce when fossil fuels are burned for energy.
(Primary productivity; uses; carbon dioxide; to produce organic carbon) (the oceans; could be taking up; some of the carbon dioxide) (the carbon dioxide; produce; T:when fossil fuels are burned for energy) (fossil fuels; are burned; for energy)
Primary productivity the oceans the carbon dioxide fossil fuels
uses could be taking up produce are burned
carbon dioxide to produce organic carbon
some of the carbon dioxide
T:when fossil fuels are burned for energy
for energy