Enzymes are biological molecules (typically proteins) 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.
 
        
             
        
        
        
All plant and animal groups existing together and the physical factors with which they interact compose an ecosystem<span>.</span>
        
                    
             
        
        
        
Answer:
Deforestation can affect the water cycle and the carbon cycle. It will decrease the amount of transpiration. It will also increase the amount of carbon dioxide in the atmosphere by releasing the carbon dioxide as trees are burned and by decreasing photosynthesis.
 
        
             
        
        
        
Answer:
B. Weathering
Explanation:
Fire makes trees weather and die.
 
        
             
        
        
        
Protozoans, bacteria, fungi... viruses are not organisms