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.
This happened due to.
1
Temperature of Both the air, that is surrounding air and and air coming out of the mouth is same.
2
Air in surrounding is very cool as compare to air coming out of the mouth.
3
Air in surrounding is very Hot as compare to air coming out of the mouth.
4
None of these