Question

what is allergy and allergens​

Answer 1

$Parents need to play an important role in early intervention services to have a significant effect on children's developmental and social-emotional well-being. ... Furthermore, an increasing body of empirical evidence has identified parent involvement as a critical ingredient of effective developmental intervention.$

Answer 2

Answer:

Allergies-A condition in which the immune system reacts abnormally to a foreign substance.

alergen-a substance that causes an allergic reaction.

Explanation:

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