The answers are - creating laws to regulate the amount of pollution, -planting trees at the same rate they are being cut down, -teaching citizens about water consumption and waste.
All three of these measures help people understand the importance of sustainability as well as ensure that on a governmental level, the required steps are being taken that a nation will witness increased dependance on renewable energy sources and not fossil ones. 
        
             
        
        
        
Biosphere: All living things
Lithosphere: The crust and outer mantle of Earth
Atmosphere: The air and gasses that surround Earth
Hydrosphere: All water on Earth
        
                    
             
        
        
        
Answer:
Cell size at division is determined by the balance between cell growth (the increase in mass or volume) and the timing of cell division. Interestingly, faster growth rates in bacteria and eukaryotes lead to larger cell size. ... In this model cells “add” a constant volume (or mass) between cell divisions
Explanation: