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Write any two harmful effects of noise pollution . 

1] Irritation and loss of concentration.
2] Sleep disturbance and stress [which can lead to high blood pressure ]

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It can cause hearing impairments of ears.
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causes hearing impairment and disturbed sleep
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1. It interferes with speech. In the presence of noise we may not able to follow, what the other person is saying.

2. Noise leads to emotional and behavioral stress. A person may feel disturbed in the presence of loud noise such as produced by heating of drums

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the unwanted or excessive sound is called noise pollution it may cause lack of sleep ,hypertension, blood pressure become high,anxiety can cause & irritation and lack of hearing may cause
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