UGC NET SET - Paper 1 › Sources of Pollution, Pollutants, and their Impact on Human life › Question #10241
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QZero decibel is the

ID: #10241 Sources of Pollution, Pollutants, and their Impact on Human life 217 views
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Sources of Pollution, Pollutants, and their Impact on Human lifeTopic
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  • A Threshold point for hearing. ✔ ✖
  • B Threshold point for physical pain. ✔ ✖
  • C Where no sound waves can travel. ✔ ✖
  • D None of the above ✔ ✖
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Threshold point for hearing.
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