C) Crops may cause an increase of allergic reactions in humans.
        
                    
             
        
        
        
The correct answer is b) herbaceous or woody stems..
i just took the test and got it right
trust.
 
        
             
        
        
        
Evolutionary biology research some living things
        
             
        
        
        
Nutrients enter a cell with the concentration gradient by the process of diffusion.
I hope this helps!