Precipitation is the correct answer
        
                    
             
        
        
        
The arrangement of specialized parts within a living thing is sometimes referred to as levels of organization. Cells, of course, are the first level of organization. In any multicellular organism, cells rarely work alone. Cells that are similar in structure and function are usually joined together to form tissues.
 
        
             
        
        
        
I would assume because of where san francisco is i suppose that it just depends on where your located at
        
             
        
        
        
Answer:
Nearly all
Explanation:
We need the for helping with mechanical digestion and keep our mouth moist.
 
        
                    
             
        
        
        
Answer:
 The correct answer is iron-transport proteins 
Explanation:
Siderophores are proteins produced by bacteria, and compete with the host's iron-transport proteins. They aim to bind and "hijack" the host's cell iron molecules for their own pathogenic cell processes