<span>Young children are more at risk for foodborne illness because their immune systems are still developing    This is the answer</span>
        
             
        
        
        
Answer:
Explanation:Bioaccumulation occurs when toxins build up - or accumulate - in a food chain. The animals at the top of the food chain are affected most severely. This is what happens: Small amounts of toxic substances - often pesticides or pollution from human activity - are absorbed by plants.while biomagnification is the process by which toxins are passed from one trophic level to the next (and thereby increase in concentration) within a food web. ... dissolve into the fatty tissues of living organisms.
 
        
             
        
        
        
An unprotected traveler's blood would boil at normal body temperatures because the pressure is so low. Temperatures in the mesophere decreases with altitude, because there are few gas molecules in the mesophere to absorb the sun's radiation, the heat source is the stratosphere below. The air in the mesophere has extremely low density and as a result the air pressure is very low. 
        
             
        
        
        
Answer:
b. trade winds (or tropical easterlies)
the ones located on the north and south poles are the polar easterlies and the one in between is the prevailing easterlies.
 
        
                    
             
        
        
        
As I know, the effects of human activities on biogeochemical cycling are <span>examples of an ecological study involves the ecosystem level of organization.</span>