Answers

2015-01-11T10:40:59+05:30
In winter our breath is warm and moist.when you exhale it outside the water vapor in your breath is at a higher concentration than the cold outside air can handle so it condenses into water vapour.
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2015-01-11T14:22:50+05:30
It is because the air present in our mouth is warmer than the air in the surrounding . So when it comes in contact with cold air it condenses and changes into vapour. ....:)
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