If a set of data is highly precise, it generally "indicates that the data must have a high level of accuracy" although there can be other crucial factors affecting the data as well. 
        
                    
             
        
        
        
A. <span>Pollution made in one country might contaminate the ground, water, and air of other countries.</span>
        
                    
             
        
        
        
Answer:
he topography of Nepal is quiet diverse. We have himalayas, hills and the terai.  So topography, ethinicity, resources,language had been the bases of division of a country of the federal sturucture.
Explanation:
i hope this helps! :)
 
        
             
        
        
        
Answer:
C. natural selection
Explanation:
Natural selection is when the organisms that have the better adaptation so they survive. In this case, the green was the better adaptation so they lived.