One of the following type of trees are said to help in purifying wastewater quite rapidly when planted all along the sewage ponds. These are
A. Eucalyptus trees
B. Ficus trees
C. neem trees
D. peepal trees
Answer:A
One of the following type of trees are said to help in purifying wastewater quite rapidly when planted all along the sewage ponds. These are
A. Eucalyptus trees B. Ficus trees C. neem trees D. peepal trees