Exocytosis is a process that involves<span> proteins in vesicles being held at the plasma membrane until the cell is signaled to release them. The product of this process will be packaged into the transport vehicles and then fuse them with the plasma membrane.</span><span> </span>
        
             
        
        
        
<span>magnetic and electric fields are applied perpendicular to each other
Microwaves are electromagnetic waves which are composed of magnetic and electric fields oscillating perpendicular to each other.</span>
        
             
        
        
        
Organic Chemistry is the study of the structure, properties, composition, reactions and preparation of carbon containing compounds.  
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I think it's D. It shields life forms on the surface from radiation?