The answer is carbon dioxide. so its true
        
             
        
        
        
Answer:
There was no oxygen in the flask.
Explanation:
Anaerobic organism do not need oxygen!!
 
        
             
        
        
        
The answer is Law of Dominance 
 
        
             
        
        
        
The correct answer is Oral region.
Submental region is the head region located on the area under the chin. This means that laceration of this region will most likely affect the oral region that is beneath submental region. Oral region includes facial area comprising lips and mouth.