Answers

2016-01-01T22:34:18+05:30
Air Monitoring, Water Pollution Monitoring and Sound Level / Noise Monitoring are used for detecting air,water and noise pollution resp.
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2016-01-02T12:57:18+05:30
Devices used for detecting noise pollution are sound level meter and noise dosimeter
devices used for detecting air pollution are airbot ,air quality egg and electronic nose sennsor
devices used for detecting water pollution are waterbot and waspmote smart water platform
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