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A vent allows for ventilation of air (allowing air in or out).

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9y ago
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14y ago

a window,a mouth or an anus

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9y ago

Mouth or Nose

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Anonymous

Lvl 1
3y ago

I don’t know

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Anonymous

Lvl 1
3y ago

pooooo

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Q: What do you call an opening to allow air in or out?
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