| LIST I CO2 Related change | LIST II Effect | ||
|---|---|---|---|
| A | Lowering of carbonate ion concentration | I | Coral bleaching |
| B | Sea water temperature | II | Increased phytoplankton production |
| C | Sea water temperature C. Dust borne iron deposition | III | Reduction in calcification in building corals |
| D | Foraminifera | IV | White limestones |
Choose the correct answer from the options given below:

