<span>Mark may be getting lower amounts of nutrients and vitamins, namely omega-3s and omega-6s. This would directly affect the brain and normal body functions because the body needs vitamins/nutrients to thrive. This could affect the chemical balance in his brain, resulting in depression/schizophrenia/other issues, including eating disorders. Cutting down on fats might also result in overeating carbs and protein, which leads to an overbalance of nutrients -- and a host of other health issues.Not getting enough fat could also affect bone growth.</span>
        
             
        
        
        
The UV rays cause sun spots due to reaction from the radiation.
        
                    
             
        
        
        
The moon is abiotic because it is a non living thing
        
                    
             
        
        
        
I believe it is D, to protect weakened ecosystems and their wildlife
        
                    
             
        
        
        
move in a circle on a central axis.