Answer:
https://www.eartheclipse.com/pollution/primary-causes-of-air-pollution.html
Explanation:
 
        
                    
             
        
        
        
Answer:
Matter in an ecosystem: 
- must be continuously replenished
- is recycled and reused
-  is returned to the earth by decomposers 
 
        
                    
             
        
        
        
Explanation:
if anyone could complete this timeline in order, left to right, that'd be much appreciated :)
hope it is helpful to you
 
        
                    
             
        
        
        
Prokaryotic cells DO NOT have centrioles, cytoskeleton, cilia or vesicles but they DO contain a prokaryotic flagella.
hope this helps!