Answers

2016-01-09T19:44:18+05:30
To get water molecules in air.Air has nitrogen,oxygen,carbon,hydrogen and some
other minor molecules.so dogs get water inair

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2016-01-09T21:33:17+05:30
to reduce their internal temperature. in summer they too feel hot. when dogs pant the water on their mouth get evaporated by absorbing heat from body such that their internal temperature decreases. so dogs pant during summer
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