laciroundtree15 laciroundtree15

08-05-2017
Biology

contestada

Which type of stimulus is an allergen, such as pollen?

A.
inborn stimulus

B.
external stimulus

C.
response to a stimulus

D.
internal stimulus

Respuesta :

rhinomill rhinomill

08-05-2017

Since it is outside your body, the answer is B, external stimulus

Answer Link

Madworld2 Madworld2

08-05-2017

Since it's an outdoor door allergy, that that means it's an external stimulus. Hope this is right.

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