Question

III. very short answer type question.
Give one word for the following.
1. A channel system of pipelines used to carry sewage __________

2. facility that treats wastewater from domestic as well as industrial sources __________.

3. light waste that rises to the top and floats in sedimentation tank during primary treatment of wastewater. __________.

4. the water that comes out of the sedimentation times after the completion of primary process. __________.

5. burning of sludge to ashes. ___________​

Answer 1

Answer:

of which standard is this

Explanation:

tell me first then I answerr