Read the following statements regarding Ecosystem Modelling. (i) It has been used for hydrodynamic modelling of Chilika and Kochi backwaters. (ii). Water quality criteria for copper, cadmium and mercury have been determined. (iii) It focuses on 20 training programmes on hazard mapping, satellite oceanography, and marine pollution. Choose the correct option.

• A. i and ii              
• B. ii and iii
• C. i, ii and iii                     
• D. only i