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3 votes
An allergen is a substance that:

a. aids in the storage of sugar in the body
b. causes hyperactivity
C. is a major component of bone and cartilage
d. can trigger an allergic reaction

2 Answers

3 votes
D. can trigger an allergic reaction
User For Guru
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3.2k points
1 vote

Answer:

D

Step-by-step explanation:

You may experience an allergic reaction if you take an allergen, so it is D.

User LVB
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