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DaniilM [7]
3 years ago
11

An allergic reaction to certain types of natural,

Biology
2 answers:
kipiarov [429]3 years ago
8 0
<span>(2) a response to specific antigens</span>
ycow [4]3 years ago
3 0
It would be #2 because it dosent have those specific antigens to defend the pathogen.
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