Question

Q4: 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

Q5: Period 2005-2015 is being celebrated as the international decade for

action on

(a) water for life

(b) education for all

(c) global warming

(d) terrorism​

Answer 1

Answer:

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