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Question
Water molecule (H₂O) is split into hydrogen (H₂) and oxygen (O₂) when
Options:
A .  larynx is lowered, glottis is open
B .  larynx is lowered and the windpipe is opened
C .  larynx is raised and epiglottis blocks glottis
D .  larynx is raised and pharynx is shut
Answer: Option C
Answer: (c).larynx is raised and epiglottis blocks glottis

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