Answer
Facilitated diffusion is the diffusion 
Explanation 
Facilitated diffusion is the diffusion of solutes through transport proteins in the plasma membrane
Hope this helps :-) 
 
        
             
        
        
        
Answer: 50%
<span>Life on Earth appears to be on its way to extinction because of the carbon being pumped into our atmosphere.</span> 
<span>Biologists reported that one in five species on Earth show signs of extinction, and unless urgent action is taken to save the planet’s biosphere, </span><span>scientists predict that  50% of species will be driven to </span>extinction by the year 2100.
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One option for reducing air pollution is to cut back on major producer factories.
        
             
        
        
        
Answer:
protons and neutrons
Explanation:
Protons and neutrons have a positive and neutral charge, respectively. They are in the nucleus, while the negative electrons orbit the nucleus.
 
        
                    
             
        
        
        
Im going with Genes inserted from other organisms.