A homogeneous mixture is not considered a pure substance because it can be separated through mechanical and thermal processes. A pure substance, however, cannot be separated.<span>
<span /></span>
        
                    
             
        
        
        
The nurse should try to find an oximetry sensor that is not so tight so that the baby will not feel discomfort and thus respond in that way to the caregiver's concerns and alleviate the problem by taking these appropriate measures.
        
             
        
        
        
Option 3 
pleaee mark me as brainliest
        
                    
             
        
        
        
Answer:
pre zygotic barriers including temper isolation
 
        
             
        
        
        
Heat from the air will move into the ice cream