asked 198k views
4 votes
Which type of stimulus is an allergen, such as pollen?

A. response to a stimulus


B. external stimulus


C. internal stimulus


D. inborn stimulus

asked
User Smohamed
by
7.6k points

2 Answers

1 vote
It is A response to a stimulus
answered
User BRogers
by
8.3k points
6 votes
A. response to a stimulus
answered
User Mandakh
by
8.0k points
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