Q1. which layer of the earth atmosphere contains most of the planets water. Q2.how water moves around the earth. Q3. what problems can open drains cause. Q4. name the three systems for treating sewage before it flows out into waterways. Q5.list some things people can do to help to keep their water supply clean . Q6. LIST three ways in which dams and barrages are useful. Q7.which of these system do you think are the most useful,and why. Q8.what kinds of sewage treatment turns sewage into a useful gas . Q9.what kinds of sewage treatment produces water that is safe for irrigation. Q10. what are the advantages of biogas plants.
Answers
1) hydrosphere
2) due to the atmosphere
3) causes illness including typhoid, cholera, etc... .
4) .. filtration
.. biological nutrition removal
.. disinfection
5) .. use insulation made from recycled paper, glass and other recovered materials.
.. clean the furniture and store tools.
Hope this is helpful
1) hydrosphere
2) due to the atmosphere
3) causes illness including typhoid, cholera, etc... .
4) .. filtration
.. biological nutrition removal
.. disinfection
5) .. use insulation made from recycled paper, glass and other recovered
materials.
.. clean the furniture and store tools.
6) Stabilize water flow / irrigation: ...
Flood prevention: ...
Land reclamation: ...
7) Dams becuase they prevent flood
8) ....methane
9) Sewage farming allows use for irrigation of water which might otherwise be wasted. Some of the nutrients and organic solids in wastewater can be usefully incorporated into soil and agricultural products rather than fouling natural aquatic environments........
10) Advantages of Biogas
- Biogas is Eco-Friendly. ...
- Biogas Generation Reduces Soil and Water Pollution. ...
- Biogas Generation Produces Organic Fertilizer. ...
- It's A Simple and Low-Cost Technology That Encourages A Circular Economy. ...
- Healthy Cooking Alternative For Developing Areas.
Hope this is helpful
;)