Answer:
D
Explanation:
Lymphocytes are the second line of defence
First line of defence indiscriminately defends against all pathogens unlike secondary response which is targeted. First line of defence refers to the external body components like skin, secretions from the body in the alimentary canel 
Mucus traps pathogens. Stomach acid kills pathogens
 
        
                    
             
        
        
        
A third-degree burn would be less painful than a first- or second-degree burn involving the same body area because of the destruction of underlying pain receptors.
Nerve endings are destroyed in third-degree burns, which means that a person can no longer feel pain in that particular spot on the body. Third-degree burns are the most severe ones and cannot be treated easily - usually skin grafting or synthetic skin has to be used to replace the burnt skin.
        
             
        
        
        
She might discuss what she needs to not have it hurt that is called a epidural!
        
             
        
        
        
Through reproduction. dark fur is a dominant trait and eventually if offspring of the one dark furred mouse reproduce enough, it will eventually spread to the whole population because it is a dominant gene and will overpower recessive genes of the other parent organism that the dominant mouse is reproducing with.
        
             
        
        
        
Answer:
1) Oceanic-oceanic divergence
2) Continental- continetal convergence
3) Oceanic-oceanic convergence
Explanation:
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