<u>levels of organization </u>
from the smallest units of life to the largest units of the environment :
organelles >>> cells >>> tissues >>> organs >>> organ systems >>> organisms >>> populations >>> communities >>> ecosystems >>> biosphere 
 
        
             
        
        
        
Viscosity refers to the speed at which a substance can flow (i.e. the thickness of the substance/its ability to flow). I think that's the closest the English language gets. 
        
             
        
        
        
Hi! Can you please upload the possible answers?
        
             
        
        
        
Answer:
black carbon which is "B"
 
        
             
        
        
        
D for sure. Just like how the ground rises over millions of years.