Answers

2016-01-21T22:52:06+05:30
Water pollution is the contamination of water bodies. Water pollution affects the entire biosphere-bodies of water. The methods are:- ●secchi disks (to measure water clarity) ●probes (to detect organic matter and toxic metals)
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2016-01-22T04:14:48+05:30
Water pollution is defined as the presence of organic pollutants like organic matter , toxic substances , microorganisms etc. in the water body which results in contamination of water. The water pollution can be measured by checking the level of various pollutants :
1. Secchi disks
2. probes
3. filters
4. gauges and meters
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