2007-09-21 19:04:56 · 3 answers · asked by brown-greg@att.net 1 in Science & Mathematics ➔ Earth Sciences & Geology
Your breath has moisture (water vapor) in it. When you exhale into very cold outdoor air, the moisture-laden atmosphere from your lungs becomes chilled to the point where the water condenses into a fog.
Try exhaling into a mirror as well and still you will see moisture on it.
2007-09-21 20:03:28 · answer #1 · answered by Kristenite’s Back! 7 · 1⤊ 0⤋
It's condensation. The warm air from your lungs which you are exhaling contains water vapor. When the warm air hits the cold air outside of you, the warm air cools down and the water vapor condenses, becoming visible as very small droplets of water (the fog).
2007-09-25 12:13:59 · answer #2 · answered by Wayner 7 · 0⤊ 0⤋
the moisture in your breath condenses when the temperature is cool enough causing a "fog". the moisture is a by product of your body burning oxygen and food.
2007-09-25 09:58:12 · answer #3 · answered by Loren S 7 · 0⤊ 0⤋