It is either carcinogens or viruses (I think the first) I hope this helps!
        
                    
             
        
        
        
<span>To complete the sentence "The plasma membrane has a double layer of phospholipids with proteins dispersed throughout." Transport proteins move particles and particles over the layer. They can be sorted by the Transporter Classification database. Film proteins may have numerous exercises, for example, oxidoreductase, transferase or hydrolase.</span><span />
        
                    
             
        
        
        
Answer:
Coal and oil (if there are two answers) 
 
        
                    
             
        
        
        
Answer:
C. It portrays evolutionary change as a smooth curve. 
 
        
             
        
        
        
Natural selection is basically when organisms with the best traits survive and pass on their good traits to their offspring so that they will adapt easily and survive. Organisms who do not have ‘good traits’ that help them adapt and escape predators will be killed or eaten before they reproduce. 
So in the end, natural selection is a form of evolution that allows the ‘fittest’ animals to survive and reproduce, while weeding out the unfit.