Answer:
soil erosion has been a major cause of soil degradation in north carolina for many years.
Explanation:
because sediment is the largest water pollutant by volume in north carolina. it affects water quality physically ,chemically,and biological.
 
        
             
        
        
        
Answer:
Clubmosses
Explanation:
I don't really have an explanation 
 
        
             
        
        
        
Because of the 7 billion people that live on this earth :)
        
             
        
        
        
For purposes of making a prediction, the underlying reason for a correlation does not matter. As long as the correlation is stable–lasting into the future–one can use it to make predictions. What a correlation does not tell you is why two things tend to go together.
 
        
             
        
        
        
Answer:
Trial reproducibility
Explanation:
The reprocibility is one odf the most important part of the scientific method.
If the trial or investigation is well planned and conducted, the results could be reproduced by any investigator, researching on any place with any sample, as long as the new trial is conducted with the same parameters.  
If the results are not reproducible, the investigation has a bad thecnic and is not usefull.