Allergy can be best defined as
a Onset of cold during spring
b Overreaction from the immune system to a foreign substance
c Sneezing, itching and scratchy throat.
d Infection caused by viruses and bacteria.
give the correct answer
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Answer:
the answer is c that is sneezing, itching and scratchy throat
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b - Overreaction from the immune system to a foreign substance.
hope it helps you.
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