I believe the answer is B. <span>The antibodies on B cells bind to the antigens on the pathogen's surface.
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Answer: 1: allergic disorders
2. Immunodeficiency disorders
3. Autoimmune disorders
4. Cancers
I think it is 3 but im not 100% sure
Answer: Carbohydrates
Explanation: Which macromolecules release energy the quickest? Carbohydrates
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