to clean there spectacles people often breathe out on the glass to make them wet? explain why the glass become wet
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8
Because the air what we blow from our mouth it react with air and change into vapour which make the glass wet
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3
The air which people breathe out contains moisture
So the glasses become wet
And the dirt and impurities in lens can easily be rubbed by a cloth
So the glasses become wet
And the dirt and impurities in lens can easily be rubbed by a cloth
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