Answer  the Air Pollution From a Power Plant photograph. Tell students that pollutants emitted into the atmosphere do not stay in the atmosphere or even directly above the polluting source forever. They move throughout the atmosphere and are moved and removed by natural processes.
Explanation:
 
        
             
        
        
        
Each enzyme is comprised of covalently linked amino acids...enzymes are proteins
        
             
        
        
        
Answer:
DNA checking
2.after few days it's growth rate was so great
 
        
             
        
        
        
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Spongy or cancellous tissue – the porous, honeycombed material found inside most bones, which allows the bone to be strong yet lightweight.