Common Allergen in the Air
This page is the CodyCross answer for the clue below from Babies and Toddlers, Group 1670, Puzzle 3 (Starting Preschool).
Question is: Common Allergen in the Air
and the answer is: RAGWEED
Word Meaning:
RAGWEED — A plant of the genus Ambrosia. These weeds are particularly noted for producing pollen that triggers hay fever.
Definitions from Wiktionary.