What class is that and how you need help
        
                    
             
        
        
        
When it increases the pH goes down
        
             
        
        
        
Answer:
Explanation:
Growth and Maintenance.  
Acts as a Messenger. ...
Provides Structure. ...
Maintains Proper pH. ...
Balances Fluids. ...  
Transports and Stores Nutrients.
 
        
                    
             
        
        
        
The Answer is.......  D.) 100%.
        
                    
             
        
        
        
Answer:
deserts
Desert biomes are the driest of all the biomes. In fact, the most important characteristic of a desert is that it receives very little rainfall. Most deserts receive less than 300 mm a year compared to rainforests, which receive over 2,000 mm.
Explanation: