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43 votes
43 votes
Our pupils dilate and constrict according to the amount of light intensity. in darkness out pupils dilate to let as much light in as possible. hailey decides to ring a bell whenever she walks into a dark room. she does this 20 times. afterwards she enters her lit bedroom and rings the bell . in a mirror she can see her eyes slightly dilate

User Seantsang
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1 Answer

20 votes
20 votes
Is there a question?
User Vasiliki Siakka
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