I’d say the best answer is a and c
        
                    
             
        
        
        
An atrophic factors is a force that causes a cell to die, only natural forces on the cell are considered to be atrophic factors,whereas, and agents of mechanical or chemical abuse or lists of the cell are considered not to be atrophic factors. Which affect decrease workload loss of Innervation and diminishes your blood supplies , inadequate nutrition, and loss of enforce in stimulation and senility with compression.
        
             
        
        
        
This is because the melanocytes are located in the stratum basale. Lighter-skinned people usually have low basal levels, and exposure to UV radiation causes an increase which makes skin darker.
        
             
        
        
        
Answer:
I don't understand you you now that I'm super girl