Answer:
b........................
 
        
                    
             
        
        
        
You didn't list any options but some of the things mosses and ferns have in common are:
they do not produces seeds
they don't produce flowers
they produce asexually be releasing spores, 
        
                    
             
        
        
        
4, 5 I think I’m not too sure
        
             
        
        
        
The global air temperature increases after the volcanic eruptions. It has also been observed that this increase in air temperature causes lowered winter seasons, acid rain, haze, dust, and ash. This causes problems in breathing and other disorders in humans as well as animals.