Answer:
Depending the hydrolysis .
Explanation:
Okay its negative but at what percent ?
 
        
             
        
        
        
In the lower layers of the skin and small intestines
May Nilbin Be With You
 
        
                    
             
        
        
        
Answer:
the amount of carbon-13 it contains
Explanation:
carbon dating has been used many historians, scientists and researchers in order to correctly estimate the amount of carbon it contains. This is because all substances contai carbon and the levels of carbon decrease/deteriorate over time
 
        
             
        
        
        
Answer:
Okay. Adelie penguin, Crabeater (?) seal and emperor penguin = krill 
Leopard Seal, Weddell seal = fish
Toothed whales will eat a lot of stuff, it's a genus, but a common food is = squid
Baleen (?) whale = phytoplankton, other zooplankton
Parasite or host... Whales have barnacles but that's is the only "host" on this list. I listed food by matching the predators to prey in the list, sorry if it doesn't help, maybe be more clear?