Why does a dog hang out his tongue, when it is hot ?
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Answer / guest
A dog hangs out his tongue when it is hot, because the
evaporation of saliva from the tongue produces a cooling effect.
|Is This Answer Correct ?||7 Yes||1 No|
Answer / lucy
The toungue's surfase can absorb water from atmosphere
|Is This Answer Correct ?||1 Yes||11 No|
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