Why would Scenario 2 have a direct positive impact on the carbon cycle? Scenarios Scenarios Process Changes Scenario 1 Ocean acidification increases Animal respiration increases Scenario 2 Photosynthesis increases Sediment deposition increases Scenario 3 Shell formation decreases Fossil fuel formation decreases Group of answer choices Both processes are carbon sinks that are increasing and absorbing more carbon. Both processes are carbon sources that are increasing and releasing more carbon. Both processes are carbon sources that are increasing and absorbing more carbon. Both processes are carbon sinks that are increasing and releasing more carbon