Answer:
1. nitrogen fixing bacteria soil converts excess "nitrates"
Explanation:
usually caused by low h2o, water movement and lack of minerals to filter water and kill bacteria..
2 primary components of septic system are tank and a septic pump to regulate waste and store it in a tank underground. when full, a service has to engage in emptying the tank or it will contaminate water supply...
 
        
                    
             
        
        
        
Because it can respire anaerobically, without oxygen.
Hope this helps!
        
             
        
        
        
Answer:
False!
Explanation:
Moisturizers for oily skin generally contain smaller amounts of emollient.
 
        
                    
             
        
        
        
Answer:
 <em>change</em><em> </em><em>in</em><em> </em><em>genetic</em><em> </em><em>structure</em><em> </em><em>of</em><em> </em><em>a</em><em> </em><em>popu</em><em>lation</em><em> </em><em>over</em><em> </em><em>time</em>