Where do scientists believe the missing carbon is going? why are they not sure? in what year was the carbon uptake greatest? in what year was the carbon release greatest? (site 1)

the only part I know is where they believe the missing carbon is going? they believe land vegetation absorbs the missing carbon.

poor water quality affects most estuarine organisms, including commercially important fish and shellfish. the pollutants that have the greatest impact on the health of estuaries include toxic substances like chemicals and heavy metals, nutrient pollution (or eutrophication), and pathogens such as bacteria or viruses.

yes it is weird but true