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14. Allergies are caused by which of the following? A. Autoimmune diseases B. Ingesting IgA in breast milk C. Reactions to antigens D. Strong toxins in the environment

14. Allergies are caused by which of the following? A. Autoimmune diseases B. Ingesting IgA in breast milk C. Reactions to antigens D. Strong toxins in the environment
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14. Allergies are caused by which of the following?

A. Autoimmune diseases
B. Ingesting IgA in breast milk
C. Reactions to antigens
D. Strong toxins in the environment

User John Michelau
by
7.9k points

1 Answer

2 votes
C. reactions to antigens. These come in the form of pollen, grass, dust etc.
Hope this helps :)
User MoiTux
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8.8k points
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