deforestation- making room for new buildings by clearing trees and forests
pollution- from factories, litter, and bad hygiene
 
        
             
        
        
        
Answer:
Adding fertilizer makes the growth speed of a plant faster.
Independent: Fertilizer
Dependent: Growth of plant
Control: How much fertilizer
Explanation:
I think that's the answer. I hope this helps :)
 
        
             
        
        
        
Yes, enzymes can be found in every type of living beings
        
                    
             
        
        
        
A. Thst is what they are doing xD