Answer:
A polar molecule is a molecule that has a positive and negative charge at either end.
 
        
             
        
        
        
Answer:
b. A Wood's light examination
Explanation:
A wood lamp examination is a test that uses ultraviolet light to examined a skin infected with bacteria or fungal infection.
 
        
             
        
        
        
Because they are prokaryotic cells.
        
                    
             
        
        
        
Answer:
it is one of three typesof cells, bacillus, coccus, and spirilium
Explanation:
bacillus looks like this   
 
        
             
        
        
        
The heart is a muscle, therefore, if the cardiac muscles stopped contracting, the result would be the ceasing of heart function. That would lead to death, as blood wouldn't be pumped throughout the body. Homeostasis would therefore be interrupted.