Dr. Lanzilotti wants to create a stimulus that will produce an afterimage of a red heart shape against a white background. He should make the heart and the background .A) red; green
B) green; black
C) blue; white
D) pink; red

B) green; black

Explanation: A Stimulus is a detectable change in an organism's physical or chemical composition which is capable of stimulating some levels of reactions.

An afterimage is an image that continues to appear after the initial or original image has been removed.

In order to make an afterimage of a red heart shape against a white background the Heart should be made Green and the background black.

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