The four main reservoirs of carbon are the

The reservoirs are the atmosphere, the terrestrial biosphere (which usually includes freshwater systems and non-living organic material, such as soil carbon), the oceans (which includes dissolved inorganic carbon and living and non-living marine biota), and the sediments (which includes fossil fuels).

1.-7

3.-2

5.9

7.11

9.0

15. $10/-$10?? idk

17.5