list the names of the plants which are used for purification of sewage pond water
The plants that purify water by consuming excess nutrients are Nymphea, Phragmites, Iris, Carex etc.
Name four conventional methods used for the purification of water? [2 MARKS]
Which of the following is suggested to plant near sewage ponds?
Which of the following substances are used in water purification for a small quantity of water?