On a very cold morning, Boojho and Paheli were talking with each other as they walked down to their school. They observed that the air coming out of their mouth looked like smoke. They were amused and wondered how it happened. Help them find the answer.
ScienceClass 7CBSEAnswered 27 Mar 2026
Answer
Soln:
When the climate is cold warm and moist air exhaled by us condenses into mist when it comes in contact with the cold air of the atmosphere. This looks like smoke coming out of our mouth.
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