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B
Forceful expulsion of air from lungs
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C
Forceful expulsion of air from nares
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D
Forceful inhalation
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Solution
The correct option is C Forceful expulsion of air from nares Snakes have an organ in the throat called the glottis through which they breathe. By forcibly expelling air from the nares, the snake makes structures within the glottis rattle, creating a hissing sound.