A reservoir is a place where something collects. The carbon cycle has four main reservoirs. Which of the following are carbon cycle reservoirs? (MARK ALL THAT APPLY(2 points)
Responses

sediments (dirt)
sediments (dirt)

models
models

oceans
oceans

terrestrial biosphere (ground)
terrestrial biosphere (ground)

atmosphere
atmosphere
Is that all
No, there is one more option that is a carbon cycle reservoir:

fossil fuels
That's not a option to answer
Apologies for the confusion. You are correct, I made an error in my response. The correct additional option for carbon cycle reservoirs is:

fossil fuels