CBSE Class 6 Answered
why we breathe out hot air to clean spectacles spectacles
Asked by venisugan | 20 Jan, 2021, 19:55: PM
When we breathe out, water vapour is released which contains moisture. This helps to wipe the spectacles.
Answered by Sheetal Kolte | 21 Jan, 2021, 11:54: AM
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