Answer the fill in the blanks,E.V.S

Dear student
1. Our breathe is colder than hot chapatti.
2. Whenever the air flows upward the paper snake will move in the clockwise direction.
3. The hot air rises up while the cold air comes down.
4. The air blown from our mouth is hot in winter and cold in summer.
5. The air we breathe out contains water vapours which turns into drops when they touch a cold surface.
6. We can warm our hands in winter by blowing from our mouth.
7. When we fan a burning coal we will increase the  fire of the coal.
Regards

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