ਸਾਨੂੰ ਸਾਹ ਕਿਸ ਤਰ੍ਹਾਂ ਲੈਣਾ ਚਾਹੀਦਾ ਹੈ।
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Explanation:
through our nose as t will trap the dust particles inside the hair . we should not breathe through our mouth as dust particles would have a direct entry inside our mouth and it will cause diseases
good luck
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