Answers

2015-07-23T11:46:05+05:30
Dogs pant during hot summer days by sticking out their tongues. By this method,a large surface area of their tongue is exposed to air. This results in greater evaporation which produces cooling effect. This cooling is enjoyed by dogs.
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2015-07-23T11:48:56+05:30
To reduce their internal temperature..dogs pant in hot summer
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