Question

please tell me the answers of reason for yourself . it's very very important for me . please please please
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Answer 1

2. Common direct impacts to wetlands include filling, grading, removal of vegetation, building construction and changes in water levels and drainage patterns. ... Indirect impacts result from disturbances that occur in areas outside of the wetland, such as uplands, other wetlands or waterways.

3. Sewage contains organic waste. When raw sewage is dumped directly into water bodies, aerobic microbes use dissolved oxygen to decompose these organic waste. These process reduces the amount of dissolved oxygen present in water.

Answer 2

Municipal waste water are domestic waste water they mainly contain biodegradable waste which easily break down or decomposed by the action of bacteria and fungi..

where as industrial effulent contain harmful chemicals which can't be decomposed by microorganisms since they are specific in their actions

Hence industrial effulent are not treated as municipal waste water..