how can we see dust particles present in air?
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Explanation:
The presence of dust particles in air varies from time to time, and from place to place. We inhale air when we breathe through our nostrils. Fine hair and mucus are present inside the nose to prevent dust particles from getting into the respiratory system.
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Answer:
The presence of dust particles in air varies from time to time, and from place to place. We inhale air when we breathe through our nostrils. Fine hair and mucus are present inside the nose to prevent dust particles from getting into the respiratory system.
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