The plant produces sperm cells and egg cells
        
                    
             
        
        
        
convection currents in the atmospere
        
             
        
        
        
By lowering the activation energy, it helps the reaction go faster.
        
             
        
        
        
Change in velocity, direction, or both
I think that’s what you’re asking
        
             
        
        
        
Answer:
A
Explanation:
 it holds water in the plant