I think the answer to this question is headache. <span />
        
             
        
        
        
Answer:
B. The top epidermal layer
Explanation:
Like most, if not all skin cancers start at your epidermis (The layer of skin that's most exposed to the sun) The cancer begins in your basal cells where they constantly push older skin cells toward the surface of your body. 
 
        
             
        
        
        
Answer:
I might be wrong, but I think it's nasal membranes.
Explanation:
 
        
             
        
        
        
Being a biomedical photographer requires postsecondary education in biological, biomedical or biocommunications photography. To work in a specialized field, one additionally needs training in that specific area.
Biomedical photographers, also known as medical or biological photographers, produce medical or scientific images using advanced digital equipment. These photographs are typically used in scientific publications, medical journals, research reports and teaching materials. Biomedical photographers usually have extensive knowledge in science, photography and computer applications. Postsecondary education and work experience are required.