converted carbonic acid carbonate bicarbonate co sub sub sub gas sub co sub sub sub aq sub co sub sub sub aq sub h sub sub h sub sub co sub sub h sub sub co sub sub hco sub sub sup sup h sup sup hco sub sub sup sup co sub sub sup sup h sup sup also enter rivers dissolved organic carbon converted photosynthetic organisms organic carbon either exchanged throughout food chain precipitated deeper carbon rich layers dead soft tissue shells bones calcium carbonate circulates layer long periods time either deposited sediment returned surface waters
Applied science Military sciences Battlespace Sea