The answer is global warming
        
             
        
        
        
Answer:
fossil fuel doesnt need atmospheric carbon for burning
 
        
             
        
        
        
Unconditional positive regard is a Rogerian term for: Positive behavior toward a person without attaching any contingencies. 
Hope this helps!
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Do a cross graph with B and W
        
             
        
        
        
Bryophytes never form xylem tissue, the special lignin- containing, water-conducting tissue that is found in the sporophytes of all vascular plants.