I think the answer is no NADH is present in the cell
hope my answer is correct ☺
        
             
        
        
        
Answer:
Enzymes are biological molecules  that significantly speed up the rate of virtually all of the chemical reactions that take place within cells. They are vital for life and serve a wide range of important functions in the body, such as aiding in digestion and metabolism
Explanation:
 
        
                    
             
        
        
        
From what I know, nicotine is a stimulant. It's not much, but I hope it gets you close to a answer. :3
        
                    
             
        
        
        
Rain water gets polluted because of the water cycle bringing water into the atmosphere
        
             
        
        
        
Vegetation bordering a river bank is termed riparian vegetation. It is thought that the land immediately bordering a river is ecologically sensitive and changes in land use in this zone can have disproportionately large effects on the river. Riparian vegetation may play a role in binding soils of a river bank, and their removal can cause bank erosion, which can change the course of a river or exacerbate the impacts of flooding. Changing land use in the riparian zone, such as farming, can affect the water quality of the river, as return from from irrigated crops of livestock will readily enter the river from this zone,