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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asked Oct 20, 2016 189k views

2 votes

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

Biology
high-school

John Michelau asked

by John Michelau

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C. reactions to antigens. These come in the form of pollen, grass, dust etc.
Hope this helps :)

MoiTux answered Oct 26, 2016

by MoiTux

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